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The lone victim of Sunday’s ISIS-claimed shooting at the Santa Maria Catholic Church in Istanbul was a Muslim, according to a local official.

Sukru Genc, mayor of the Sariyer district where the church is located, told Turkish independent newspaper BirGün that the man was by the entrance to the church at the time of the attack, which saw two masked gunmen open fire during Sunday service.

“During the attack, a citizen from Bayburt at the entrance, a Muslim citizen, lost his life,” said the mayor. Turkey’s interior minister Ali Yerlikaya identified the man as Tuncer Murat Cihan in a post on X.

“According to the priest, he was constantly going to church and the priest knew this person and referred to him as ‘a good person,’” added Genc.

The priest who was leading mass at the time said one of the attackers’ guns had jammed, according to Genc.

“When the first gun went off, everyone threw themselves on the ground. After the second explosion, the gun jammed and they [the attackers] came out. It is unknown what would happen next, whether the attack would continue,’” Genc told BirGün.

Genc said around 35 to 40 people were inside the church at the time, including the Polish Consul General in Istanbul, Witold Lesniak, who was there with his children.

“Nothing happened to them because they were in the front, but their children and everyone at the service were seriously affected,” he said.

Turkish President Recep Tayyip Erdogan’s office posted a video on X, showing part of his call with Lesniak.

“I would be grateful if you would convey my condolences to the entire community,” Erdogan says in the video.

The man was the only person to die in the attack. There were no further injuries, according to Istanbul Governor Davut Gul.

ISIS has claimed responsibility for a shooting, according to a statement from the ISIS-affiliated Amaq news agency, citing a security source from the terror group.

At least 47 suspects have been arrested, according to Turkish state news agency Anadalou, citing Yerlikaya.

Two of the arrested suspects are believed to be affiliated with ISIS, reports Anadalou, which reports that one is from Tajikistan and the other is from Russia, citing Yerlikaya.

The attack appears to be the first ISIS attack in Turkey since 2017, when 39 people were killed at a nightclub on New Year’s Eve.

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Japan’s “Moon Sniper” robotic explorer is back in action, the country’s space agency said Monday, after a power issue forced the spacecraft to shut down upon landing on the moon 10 days ago.

The explorer executed a precise landing on January 19, making Japan only the fifth country to put a spacecraft safely on the lunar surface — but faced a critical issue almost immediately.

The spacecraft landed facing the wrong direction after one of its engines failed during landing, meaning its solar cells couldn’t generate electricity and it had to rely on limited battery power, according to the Japan Aerospace Exploration Agency (JAXA).

The agency shut off the lunar explorer to conserve its battery, saying it would automatically be restarted if its solar panel began generating power as the angle of the moon changed.

On Monday, JAXA announced on social media platform X that it had “succeeded in establishing communication with (Smart Lander for Investigating Moon, or SLIM) last night and have resumed operations!”

The explorer has also captured new images of the lunar surface, it added.

Its mission can be considered at least a “minimum success” because it achieved a precise and soft lunar landing using optical navigation, the agency has said. Now, Japan aims to use the lander to collect unprecedented information about a region of the moon called the Sea of Nectar.

The spacecraft touched down near a crater called Shioli — a Japanese female first name pronounced “she-oh-lee” — which sits about 200 miles (322 kilometers) south of the Sea of Tranquility, the region near the lunar equator where Apollo 11 first landed astronauts on the moon.

Multiple space agencies and countries have attempted moon landing missions over the past year, leading to a historic first as well as some failures.

India became the fourth country — after the United States, the former Soviet Union and China — to execute a controlled landing on the moon when its Chandrayaan-3 mission arrived near the lunar south pole in August.

The new lunar space race is partly driven by countries’ desire to access water trapped as ice in permanently shadowed regions at the lunar south pole. It could be used for drinking water or fuel as humanity pushes the bounds of space exploration in the future.

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The victim was identified as Nathy Odinson, a 33-year-old British male citizen, he added.

Accounts on Facebook and Instagram believed to have belonged to Odinson showed various photos of skydiving and BASE jumping, an extreme sport where enthusiasts jump from buildings, antennae, bridges and cliffs.

Odinson jumped from the 29th floor of the building, which was 32 stories high, Sinthurat said.

Odinson was believed to have been involved in a business selling parachute kits for about 10 years, Sinthurat said. His body was identified by his father who has been living in Thailand for the past 20 years, he added.

Police confirmed that a parachute backpack was still attached to Odinson’s body and said the parachute kit likely malfunctioned. “This was definitely an accident,” Sinthurat said.

There was had been another man at the scene, “a friend,” he added, when Odinson made the jump. “He was filming him,” Sinthurat said.

Investigations are ongoing. Thai police said they were trying to determine if Odinson had used the same space to parachute before. CCTV footage was also recovered.

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The chief negotiator for Venezuela’s opposition has accused Nicolas Maduro’s government of a “repressive escalation” ahead of presidential elections this year, after the Supreme Court upheld a ban against the opposition candidate Maria Corina Machado.

Speaking at a press conference in Caracas on Saturday, Gerardo Blyde said Maduro’s government had an obligation to hold free elections, “such as inviting international observers and setting a date for the vote.”

“It’s not happening, and instead they’re using the power of the state to begin a repressive escalation,” Blyde said.

He also rejected any claims that the opposition was seeking to forcefully remove Maduro from power.

Both the opposition and the United States have accused the Maduro government of repudiating a historic agreement signed in Barbados in October 2023 – in which Maduro pledged to hold free and fair elections in exchange for sanctions relief, among other conditions.

Supported by the United States, the opposition and Maduro struck a deal in October 2023 known as the Barbados Agreement, which saw 10 Americans released from detention in Venezuela in exchange for the release of one of Maduro’s allies. As part of the deal, Venezuela agreed to hold free and fair elections in 2024 in exchange for sanctions relief.

“The Barbados agreement was arguably the most important political document of the last two decades in our country,” said Blyde, who was involved in the negotiations.

Both the US and the Venezuelan opposition have said that banning Machado from running in the election constitutes a repudiation of the deal. The US is “currently reviewing” their sanctions policy, the US State Department announced in a statement on Saturday.

The president of the Venezuelan National Assembly and a leading member of the ruling party, Jorge Rodriguez, wrote on X on Friday saying, “with or without sanctions in Venezuela, in 2024, there will be presidential elections because this is established in our Constitution.”

But in a televised press conference held in the capital Caracas on Saturday, Venezuelan government spokesman Hector Rodriguez accused the opposition of masterminding a “coup d’etat” that included the murder of Maduro.

“No negotiation process can be used to justify a coup d’etat. There are people in the opposition who have been directly involved in plans to kill the president and call for a military uprising,” Rodriguez said, without offering evidence.

“That is unjustifiable. […] What was agreed in Barbados concerned general elements, but we never discussed about crime forgiveness, and we never discussed about any particular candidate.”

Rodriguez serves as Governor for the state of Miranda in central Venezuela and has participated in several negotiation processes between the government and opposition. He has insisted the Barbados agreement was still valid and that Machado was disqualified due to corruption charges – which she has repeatedly denied.

He also accused the United States, which is considering re-installing economic sanctions on Venezuela following the Supreme Court ruling, of attempting to “blackmail” Venezuela and insisted that the presidential election will go ahead “with or without sanctions.”

“Our road is for a peaceful transition. We never engaged in conspiracies, coup plotting or any armed intervention,” he said.

15-year ban on running for office

The Maduro-controlled Supreme Court announced Friday that it had disqualified Machado from holding any public office for 15 years, basing their decision on a 2021 ruling in which Machado was found guilty of embezzlement.

The court found that Machado was part of several corruption scandals involving the opposition, including the alleged pilfering of four billion US dollars and damages to the public healthcare system by blocking medicines for HIV and diabetes.

In June 2023, Machado was also barred from running for public office by a Maduro-aligned office that accused her of tax fraud.

Shortly after Friday’s ruling, Machado posted on X lamenting the decision.

“The regime decided [to end] the Barbados Agreement, what is NOT [!] ending is our fight to achieve democracy through free and fair elections. Maduro and his criminal system chose the worst part for them: fraudulent elections. That’s not going to happen,” she wrote.

Three campaign directors were detained earlier this month, according to Machado and opposition party Vente Venezuela.

The party’s lawyer, Perkins Rocha, described the detentions as part of a “policy of persecution” toward Machado’s campaign, adding that several party offices had been vandalized with threatening messages that read “Bolivarian fury.”

Machado at the time said that “Bolivarian fury means aggression, disappearances, persecution and obviously reflects the fear of a regime to measure itself,” and asked the international community to help “stop this madness.”

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More than 20,000 trucks from Poland and Ukraine are blocked at three major border crossings as striking Polish drivers protest an EU deal that allows Ukrainian trucks unlimited access to the bloc.

On Monday, Polish carriers began blocking the movement of trucks along the three largest border crossing points between the two countries: Korczowa-Krakowiec, Hrebenne-Rava-Ruska and Dorohusk-Yahodyn, Ukrainian state media Ukrinform reported.

“Currently, more than 20,000 vehicles are blocked on both sides. The economy of not only Ukraine or Poland suffers losses, but also of other countries that cannot transport goods,” Ukraine’s Ministry of Restoration said in a statement Thursday.

Truck drivers from Ukraine have been exempt from seeking permits to cross the Polish border since Russia launched its full-scale invasion of Ukraine in February 2022, Reuters reported. Meanwhile, Polish drivers claim that Russian and Belarusian entities have been setting up Polish outfits, according to Reuters.

The strikes follow a spat between the neighboring countries earlier this year over cheap Ukrainian grain, which would normally be shipped from the country’s now-occupied Black Sea ports, but instead flowed into Europe through Poland.

The influx of product undercut Polish farmers, leading to a now-lapsed temporary EU ban. Poland does not allow Ukrainian grain to be sold in its domestic market.

Poland’s support has been essential to Ukraine’s war effort; since February 2022, several million displaced people left Ukraine and into Poland, and several billions’ worth of NATO military equipment has been rushed in through Polish territory.

But fatigue is setting in in Poland and sympathy waning – as was apparent during the country’s recent election campaign, in which right-wing parties sought to capitalize on anti-Ukrainian sentiment.

The International Transport Association of Ukraine said that Poles “are not satisfied with the high competition that developed after the liberalization of international transportation between Ukraine and the EU countries.” Therefore, one of the demands is the cancellation of visa-free transport, Ukrinform noted.

Serhii Derkach, a deputy minister at Ukraine’s Infrastructure Ministry, told Ukrinform that this demand is “impossible to fulfill.”

“It is impossible to cancel the agreement on the liberalization of transportation, because it is a matter of bilateral agreements between the EU and Ukraine. And Poland cannot do anything unilaterally,” he said.

On Monday, Ukraine’s Ambassador to Poland Vasyl Zvarych called the protests “a knife in the back” of Ukraine, which has seen transportation routes, including airspace and ports, severely limited since the invasion began.

According to the Ukrainian national broadcaster Suspilne, the organizers of the protest said they plan to let one truck per hour to go through the border.

The protesters do not plan to obstruct the movement of the trucks that are transporting humanitarian aid to Ukraine, Suspilne noted, adding that the protesters also said they have permission to hold a picket until January 3.

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At least 47 suspects have been arrested in relation to a church attack on Sunday in Istanbul, according to Turkish state news agency Anadalou, citing the country’s interior minister Ali Yerlikaya.

One person died in the attack, which saw two masked gunmen open fire during the Santa Maria Church’s Sunday service, according to Yerlikaya. The incident occurred in the Büyükdere neighborhood around 11:40am local time (3:40aET), Yerlikaya added in a post on X.

According to Istanbul Governor Davut Gul, no other people were injured in the attack.

ISIS has claimed responsibility for a shooting, according to a statement from the ISIS-affiliated Amaq news agency, citing a security source from the terror group.

Two of the arrested suspects are believed to be affiliated with ISIS, Anadalou also reported, describing one as from Tajikistan and the other from Russia, citing the Turkish interior minister.

In the wake of the attack, Turkish security forces with “all their resources” were mobilized, said Turkish President Recep Tayyip Erdogan, in a video posted to social media. The Turkish leader was also seen in a plane holding a phone call with a priest from the targeted church.

The country’s Deputy Chief Public Prosecutor and two other public prosecutors are investigating the incident, according to Turkey’s Justice Minister Yilmaz Tunc.

“The investigation is being carried out in a multifaceted and meticulous manner,” Tunc said.

This is a developing story and will be updated.

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Ukraine’s Security Service (SBU) said it has discovered a mass corruption scheme in the purchase of weapons by the country’s military amounting to nearly $40 million (1.5 billion Ukrainian hryvnia).

The SBU said the embezzlement involved the purchase of 100,000 mortar rounds for Ukraine’s Armed Forces in the fall of 2022.

Ukraine’s Defense Ministry paid nearly all of the funds to arms supplier Lviv Arsenal, but the SBU said the ammunition was never received. Instead, it said some of the funds had been transferred to foreign accounts, including in the Balkans.

The investigation found that former and current high-ranking defense officials, the head and chief commercial of Lviv Arsenal, and a representative of a foreign commercial group were involved in the fraud.

The uncovery of a mass corruption scheme will have consequences for Ukraine as it continues to resist Russia’s unrelenting invasion while trying to navigate a path into the European Union, which has made combating corruption a precondition of Ukraine’s future membership.

Yurii Zbitnev, CEO of Lviv Arsenal, told local media that the person responsible for the ammunitions contract has been fired and that the company is working with the defense ministry to return the funds to the state so they can be “used for more appropriate purposes.”

The SBU said five people have been indicted – and that one of them, a former defense ministry official, was detained while trying to cross the Ukrainian border. It said authorities were working to detain other suspects and that those charged could face up to 12 years in prison.

“The Ministry of Defence continues to fight uncompromisingly against those who embezzle from weapons procurement. We have no place for corrupt officials.” Ukraine’s Deputy Defense Minister Dmytro Klymenkov said in a statement Saturday.

Ukraine has been dogged by corruption scandals involving its defense ministry in recent years.

In December, a senior Ukrainian defense ministry official was detained over allegations he had embezzled 1.5 billion hryvnia ($40 million) in a separate case involving an artillery shells contract.

The reports came just months after Ukrainian President Volodymyr Zelensky dismissed all officials in charge of regional military recruitment centers. In September, Zelensky also fired then-Defense Minister Oleksii Reznikov, citing the need for “new approaches” amid continued scandals.

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When Donald Tusk first won power in Poland in 2007, the country’s media coined a tender moniker to describe his approach towards his political rivals: the “politics of love.”

His second stint as the country’s prime minister is proving far less amorous.

The returning veteran of Polish centrism, who formed a coalition government after an impressive election result last year, has surprised critics and even many supporters with a confrontational approach towards Law and Justice (PiS), the populist group he defeated.

“His attitude (in 2007) was extremely conciliatory towards the defeated enemy. I think he later regretted that,” said Jacek Kucharczyk, the president of the Warsaw-based Institute of Public Affairs think tank.

This time, Tusk has moved “as quickly and decisively as possible” in tackling the gargantuan task of undoing PiS’ illiberal and far-reaching changes to the Polish state – an agenda he and his supporters say will restore Poland’s democratic institutions.

“He wanted to do the most difficult – politically, legally – things first, in order to clean the slate,” Kucharczyk said.

But cleaning the slate is painful business, and Tusk’s early moves as prime minister have caused fissures in Polish society to explode into outright hostility.

The country’s public television channel, TVP, which essentially became a mouthpiece for the previous government, has been ripped off the air. Two senior ex-ministers in PiS governments have been arrested inside the Presidential Palace. And those on the right of Polish politics have taken to the streets in an effort to drum up pressure on the new leader.

It has delighted many of those who voted for Tusk’s alliance of parties, and satisfied a blood lust among much of Poland’s population after eight divisive years of PiS rule. “There’s a sense of justice being seen to be done,” said Stanley Bill, a professor of Polish Studies at the University of Cambridge.

But there are also concerns too that Tusk is doing too much, too fast.

“No plan has been presented for how the institutions will be restored in the medium or long term,” Bill argued. “It’s been done in a hurry.”

“We’re in an ad hoc state of exception,” he added. “We’re seeing an escalation of a genuine political and legal crisis in Poland.”

An aggressive first move

The central question facing Tusk is how to restore the independence of Poland’s media and judiciary, which has been degraded by eight years of authoritarian PiS reforms.

It is a question with no right answer. PiS protected its changes to the state by stuffing legal and decision-making bodies with loyalists, and the PiS-aligned President Andrzej Duda is expected to block legislative attempts to undo those reforms.

“(PiS’s) philosophy was to create as much legal ambiguity as possible,” explained Kucharczyk.

But Tusk – a politician with a reputation for pragmatism and restraint – showed his intentions within days of taking office.

He dismissed the heads of public broadcaster TVP, replacing them with new executives, in an effort to rapidly remove the pro-PiS bias that had turned the national broadcaster into a partisan outlet.

That move outraged PiS, causing a weeks-long sit-in protest inside TVP’s headquarters and forcing its news channel off the air over Christmas. A subsequent spat with Duda over funding for the broadcaster ended with the government putting it into liquidation, alongside news agency PAP.

But it fulfilled a promise Tusk made during the election to remove PiS’s influence on the channel “in 24 hours.” And it brought relief to millions of voters – including even some PiS supporters – who had become increasingly embarrassed and tired of the broadcaster’s slant.

“It became symbolic of the excesses of the PiS government,” Bill said of TVP’s transformation into a Hungarian-style state-captured medium. “Even his more moderate voters didn’t want to watch the propaganda on TVP for a day longer.”

“People who support this government considered the status quo in public media as not only a political scandal, but a moral scandal,” Kucharczyk added. “(They) are relieved that the people who ran the media are gone, and they’re thankful that this happened so quickly… many people didn’t think this would be possible.”

There was a personal motive for Tusk, too. “You couldn’t be in the situation that Tusk has been in for eight years – totally demonized, and presented as the root of all evil – and not have it affect you,” Bill said.

“The political and personal motives here are very strongly connected,” added Kucharczyk.

A trade-off between two evils

Tusk fanned the flames of Poland’s societal divide with his early moves on public television – an “egg-breaking” approach to restoring democracy that critics say mirrors the methods of his populist rivals.

His initial move to dismiss the PiS-appointed executives of TVP was ruled unlawful by the PiS-filled Constitutional Tribunal – a body whose authority the government dismisses – and it caused an early first standoff with Duda.

Then, soon after, Polish police dramatically entered the Presidential Palace to arrest on abuse of power charges two PiS politicians who had seemingly taken refuge in Duda’s place of work. Duda and PiS had maintained they were legally pardoned years ago, a stance the courts disagreed with, and the party has since made the two politicians martyrs of their wounded populist movement. Duda issued a second pardon on Tuesday.

The timing of the saga coincidentally fell in Tusk’s first weeks, and in the wake of the clash over TVP, intensifying the dogfight between Tusk and his predecessors in power.

“Just as the PiS occupation of Poland ended, the PiS occupation of state offices will end,” Tusk wrote on X, formerly known as Twitter, last week, in a comment indicative of his pugnacious attitude towards the party’s leaders. “The occupiers’ reputation will stay with them for a long time.”

His moves have heightened a tense political environment inside Poland, which had been simmering since long before October’s election and increased during a drawn-out transfer of power.

Central to the problem is that PiS built many of its reforms into law, and created a sympathetic legal apparatus to further protect its changes.

The result is that Poles effectively live in two separate realities depending on their political leanings, with each universe containing courts and institutions that question the authority of the other.

“It’s extremely difficult to find any way to undo (PiS reforms), without resorting to the same sorts of decisionist, legally dubious means that PiS used to capture the institutions in the first place,” Bill argued.

To force changes at TVP, for example, Tusk had to bypass the National Media Council – a body that PiS created in 2016 to oversee public media, and promptly filled with loyalists. The agency is widely dismissed as an effort by PiS to cement its influence over public media while creating the semblance of independence in how it is governed; but its creation was nonetheless codified in law, so to dismantle it would require Duda’s sign-off.

But Bill added that Tusk’s dilemma is “a tradeoff between different evils.”

“The alternative would have been to work more slowly, more deliberately, which could take years,” he said. “Taking the more delicate approach (would) mean, in practice, having to leave degenerated, captured institutions as they are for some period of time.”

‘No clear plan for what’s next’

Early signs suggest Poles have not been turned off by Tusk’s politically aggressive first weeks.

Opinion polls indicate his coalition would win another election with a slightly increased vote share. PiS’ share of the vote has meanwhile slumped amid the party’s angry backlash to Tusk’s moves, with less than a third of Poles supporting the group in most surveys.

And his appointment has been celebrated in Brussels. European Commission President Ursula von der Leyen told reporters at a joint news conference with Tusk last month: “I welcome your commitment to put the rule of law at the top of your government’s agenda… we will need to make up for lost time.”

But the road ahead could be difficult to navigate.

“There is no clear plan for what happens next,” Bill said. He pointed to the liquidation of TVP as a short-term measure; currently, Tusk’s re-capturing of public media is being debated in duelling courts, neither of which accepts the authority of the other.

Tusk enjoys universal support across his coalition for his mission to “de-PiSify” Poland. But he must also turn soon to his own agenda – and he will hope that such moves do not become entangled with or complicated by the effects of his fight with the former ruling party.

Tusk recently reiterated a campaign promise to loosen Poland’s abortion rules, which were changed by PiS and currently make the procedure virtually impossible to access. He has been pushed to make progress on that issue by the left-wing party in his alliance, but he will need also to keep more conservative, center-right lawmakers onside.

And on the European stage, Tusk will hope to soon unfreeze funds for Poland that were blocked by the European Union over PiS’ degradation of the rule of law.

It is a hefty in-tray, and his every move will continue to be criticized by the opposition, who remain a formidable force even without the control of the national broadcaster.

“One of the unifying forces of PiS supporters is distrust, or even hatred, of Donald Tusk,” Kucharczyk said. “That hasn’t changed.”

The politics of love feel like a relic from a different world. And Tusk’s gameplan makes clear that things will get messier before they get better.

Nonetheless, after eight years of populist rule that hardened the battle lines of Polish politics, much of the public is spoiling for a fight.

Tusk’s approach “can only further damage Poland’s institutions, legal order, and perhaps most importantly the set of conventions in which those institutions are practiced,” Bill said. “(But) from a political point of view, it’s simple: this is what the voters want.”

Correction: This story has been updated to reflect that the two PiS politicians were charged with abuse of power.

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As humans, we like to “dare mighty things.”

That’s the motto of NASA’s Jet Propulsion Laboratory in Pasadena, California, that borrows from a Theodore Roosevelt quote.

As a species born to live and walk on Earth, humankind has found ingenious ways to adapt to the absence of gravity as we set our sights on deep space, including building robotic explorers that can venture across the cosmos in our stead.

This week, the first photo arrived from Japan’s “Moon Sniper,” showcasing intriguing lunar rocks at its landing site, even though the lander didn’t touch down as planned.

Meanwhile, the European Space Agency has selected two new missions: one that will “surf” through gravitational waves to unravel the mysteries of the universe and another to uncover why Venus didn’t turn out like Earth.

And it’s time to bid farewell to one of the most delightfully plucky robots ever to explore Mars.

Other worlds

After 72 flights in the Martian skies, NASA’s Ingenuity helicopter has flown for the last time.

Ingenuity served as the Perseverance rover’s faithful companion and aerial scout for nearly three years since its maiden flight on April 19, 2021. The historic chopper was the first aircraft to operate and fly on another world.

While coming in for a landing on January 18, the rover lost contact with the helicopter. When communication was reestablished, the mission team saw a photo capturing the shadow of Ingenuity’s damaged rotor blade. The blade likely struck the ground, which ended the helicopter’s mission.

The intrepid chopper outlasted its initial 30-day mission, flying higher, farther and faster than its NASA team ever expected and paving the way for the future of aerial space exploration.

“We couldn’t be prouder of our little tough trailblazer,” said Teddy Tzanetos, Ingenuity’s project manager at the Jet Propulsion Laboratory.

Take note

During the frigid days of winter, it’s easy to hope that spring will arrive quickly. But in addition to blooming flowers and warmer temperatures, spring will bring about another force of nature: cicadas.

Scientists predict that billions of cicadas will surface as two different broods that typically appear every 13 years and every 17 years emerge simultaneously.

The rare event hasn’t been seen in the United States since Thomas Jefferson was president, and it’s not expected to occur again until 2245.

A long time ago

Scientists are teasing information from the ancient DNA trapped inside bones, mummified bodies and dental plaque to solve the mysteries of pathogens that have affected humans for centuries — including syphilis.

The sexually transmitted disease, still prevalent today, first made its mark in the 15th century, devastating European populations. Different nations blamed it on their neighboring countries, and its origin has been murky.

Researchers studied 2,000-year-old remains in Brazil and found the earliest known evidence of the bacterium that causes syphilis and other related diseases. The disease has a much longer and more complicated history than scientists previously believed, the finding revealed.

Ocean secrets

It turns out that the megalodon, a fearsome shark that terrorized the ancient seas, wasn’t so mega after all.

The extinct megalodon has often been depicted as a massive great white shark. But the creature’s cartilage wouldn’t have had the strength to support such a hulking body shape, new research has suggested.

Instead, the marine predator was likely skinnier than a great white, based on a study of a fossil belonging to an Otodus megalodon that lived more than 23 million years ago.

The revelation is one more piece in the puzzle that is megalodon biology, which has largely been difficult for researchers to figure out. That’s because fossilized teeth have been much easier to find than actual fossils.

Consequences

Butterflies and bees have helped flowers reproduce for thousands of years, but as pollinator populations decline, some flowers are “selfing,” or self-pollinating.

While this shift may sound like a positive survival tactic, scientists studying wild field pansies in France determined that some modern flowers are smaller and produce less nectar because of self-pollination.

“This may increase the pollinator decline and cause a vicious feedback cycle,” said study coauthor Pierre-Olivier Cheptou, a professor at the University of Montpellier. The evidence indicates an “evolutionary breakdown of plant pollinators in the wild,” he said.

Meanwhile, scientists have traced a rapid depletion of subterranean water reserves around the world that are used for drinking and irrigation — with a few notable exceptions.

Explorations

Journey through these fascinating reads:

— There are only two female northern white rhinos on the planet, but the world’s first in vitro fertilization rhino pregnancy could save the species from extinction.

— Superbug infections have the potential to kill 10 million people per year by 2050, but scientists have turned to one of nature’s oldest predators to attack bacteria as a possible solution.

— Astronomers used the Hubble Space Telescope to observe the smallest exoplanet found to have water vapor in its atmosphere, and it’s a world that swirls with inhospitable steam.

— Officials at a British wildlife park are hoping to rehabilitate a group of potty-mouthed African gray parrots that say “proper expletives” — but the team’s risky approach could create even more foulmouthed birds if it backfires.

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Astronomers using the Hubble Space Telescope have detected water molecules in the atmosphere of a small, blazing-hot exoplanet 97 light-years from Earth.

The planet, named GJ 9827d, is about twice Earth’s diameter, and it’s the smallest exoplanet found to have water vapor in its atmosphere, according to a new study.

Water is essential for life as we know it, but the planet is unlikely to host any type of life due to searing temperatures that would turn a water-rich atmosphere into scorching steam.

The astronomers have yet to uncover the true nature of this unusual world’s atmosphere, but the revelation paves the way for further investigation as they seek to understand the origins of planets beyond our solar system.

The findings appeared in a report published Thursday in The Astrophysical Journal Letters.

“Water on a planet this small is a landmark discovery,” said study coauthor Laura Kreidberg, managing director of the atmospheric physics of exoplanets department at the Max Planck Institute for Astronomy in Heidelberg, Germany, in a statement. “It pushes closer than ever to characterizing truly Earth-like worlds.”

Yet the planet reaches temperatures of 800 degrees Fahrenheit (427 degrees Celsius), making it a steamy, inhospitable world that’s as hot as Venus.

“This would be the first time that we can directly show through an atmospheric detection, that these planets with water-rich atmospheres can actually exist around other stars,” said study coauthor Björn Benneke, professor at the University of Montreal’s Trottier Institute for Research on Exoplanets, in a statement. “This is an important step toward determining the prevalence and diversity of atmospheres on rocky planets.”

Currently, the research team can’t tell whether Hubble picked up on water vapor traces within a puffy, hydrogen-rich atmosphere or the planet has a water-rich atmosphere because the host star evaporated GJ 9827d’s original hydrogen and helium atmosphere.

“Our observing program, led by principal investigator Ian Crossfield of (the University of Kansas) in Lawrence, Kansas, was designed specifically with the goal to not only detect the molecules in the planet’s atmosphere, but to actually look specifically for water vapor,” said lead study author Pierre-Alexis Roy, a doctoral student at the University of Montreal’s Trottier Institute, in a statement. “Either result would be exciting, whether water vapor is dominant or just a tiny species in a hydrogen-dominant atmosphere.”

A planetary conundrum

NASA’s Kepler mission initially discovered the planet orbiting a red dwarf star in the Pisces constellation in 2017. The exoplanet completes a single orbit around its host star every 6.2 days.

Astronomers observed GJ 9827d during 11 transits, or times when the planet crossed in front of its star during orbit, over three years. Starlight filtering through the planet’s atmosphere helped astronomers measure the signature of water molecules.

“Until now, we had not been able to directly detect the atmosphere of such a small planet. And we’re slowly getting in this regime now,” Benneke said. “At some point, as we study smaller planets, there must be a transition where there’s no more hydrogen on these small worlds, and they have atmospheres more like Venus (which is dominated by carbon dioxide).”

Understanding more about the planet’s atmosphere could help astronomers classify exactly what type of world GJ 9827d is. Currently, the team has two possible theories.

It’s possible that the planet is a mini-Neptune with a hydrogen-rich atmosphere that contains water vapor. If so, GJ 9827d likely formed at a greater distance from the host star than its current location, meaning the planet was colder and water was present in the form of ice (similar to Neptune and Uranus, the most distant planets in our solar system).

As the planet migrated closer to its star and was blasted with more stellar radiation, the hydrogen heated up and escaped, or it’s still escaping, according to the researchers.

Or astronomers suspect that GJ 9827d could be a warmer version of Jupiter’s icy moon Europa, which contains an ocean beneath a thick, icy crust. The planet might be half water and half rock, Benneke said.

The search for water in space

Water is one of the most common molecules found across the universe, and for years, astronomers have included water detection as a larger part of the search for life beyond Earth.

“Observing water is a gateway to finding other things,” said study coauthor Thomas Greene, astrophysicist at NASA’s Ames Research Center in California’s Silicon Valley, in a statement. “This Hubble discovery opens the door to future study of these types of planets by the James Webb Space Telescope. JWST can see much more with additional infrared observations, including carbon-bearing molecules like carbon monoxide, carbon dioxide, and methane. Once we get a total inventory of a planet’s elements, we can compare those to the star it orbits and understand how it was formed.”

Astronomers have already observed GJ 9827d with the Webb telescope to search for water and other types of molecules, and that data will be shared in the future.

“We can hardly wait to see what those data reveal,” Kreidberg said. “Hopefully, we can now settle the question of water worlds once and for all.”

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