The aircraft was on a sightseeing flight when it suddenly broke apart in midair, its rotor blades falling separately toward the water.

Mr. Zuckerberg went to court on Monday in a trial focused on his social media company’s acquisitions of Instagram and WhatsApp. The case could reshape Meta’s business.

Federal officials said they would freeze the money after Harvard said it would not submit to requests to overhaul hiring and report international students who break rules.

Educators are increasingly using generative A.I. in their own work, even as they express profound hesitation about the ethics of student use.

The climate crisis has tripled the length of ocean heatwaves, a study has found, supercharging deadly storms and destroying critical ecosystems such as kelp forests and coral reefs. From a report: Half of the marine heatwaves since 2000 would not have happened without global heating, which is caused by burning fossil fuels. The heatwaves have not only become more frequent but also more intense: 1C warmer on average, but much hotter in some places, the scientists said. The research is the first comprehensive assessment of the impact of the climate crisis on heatwaves in the world's oceans, and it reveals profound changes. Hotter oceans also soak up fewer of the carbon dioxide emissions that are driving temperatures up. "Here in the Mediterranean, we have some marine heatwaves that are 5C hotter," said Dr Marta Marcos at the Mediterranean Institute for Advanced Studies in Mallorca, Spain, who led the study. "It's horrible when you go swimming. It looks like soup." As well as devastating underwater ecosystems such as sea grass meadows, Marcos said: "Warmer oceans provide more energy to the strong storms that affect people at the coast and inland."

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People who once found right-wing ideas scintillating are having second thoughts as they watch Trump put those ideas into practice.

The Biden-era program has allowed hundreds of thousands of migrants from Cuba, Nicaragua, Venezuela and Haiti to enter the United States and work legally.

Apple will begin analyzing data on customers' devices in a bid to improve its AI platform, a move designed to safeguard user information while still helping it catch up with AI rivals. From a report: Today, Apple typically trains AI models using synthetic data -- information that's meant to mimic real-world inputs without any personal details. But that synthetic information isn't always representative of actual customer data, making it harder for its AI systems to work properly. The new approach will address that problem while ensuring that user data remains on customers' devices and isn't directly used to train AI models. The idea is to help Apple catch up with competitors such as OpenAI and Alphabet, which have fewer privacy restrictions. The technology works like this: It takes the synthetic data that Apple has created and compares it to a recent sample of user emails within the iPhone, iPad and Mac email app. By using actual emails to check the fake inputs, Apple can then determine which items within its synthetic dataset are most in line with real-world messages.

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A man charged with setting fire to the residence of Gov. Josh Shapiro had faced previous charges of assaulting his family. He was arraigned on attempted murder and arson charges on Monday.

The opaque process, part of a strategy by conservatives to realign the liberal tilt of elite universities, has upended higher education.

Jamison Wagner, 40, of Albuquerque, faces up to 40 years in prison if convicted, the authorities said.

President Trump is staking everything on winning by imposing tariffs on China. But the fight threatens to choke off negotiations about other issues like Taiwan, fentanyl, TikTok and more.

Once again, the president used the gilded room as a place to flex his executive muscle while recasting the narrative around a consequential policy.

Mohsen Mahdawi, a legal permanent resident, has lived in the United States for 10 years and was arrested in Vermont. He has not been charged with a crime.

The draft plan is part of a process involving the agency and the White House. It would eliminate almost all funding for international organizations that include the United Nations and NATO.

Samsung has paused the global rollout of its One UI 7 update after a serious bug was reported that prevented some Galaxy S24 owners from unlocking their phones. The Verge reports: While the complaints seem to have specifically come from South Korean owners of Galaxy S24 series handsets, Samsung has played it safe and paused the rollout across all models worldwide. While some users will have already downloaded the update to One UI 7, using the app CheckFirm we've confirmed that the update is no longer listed on Samsung's servers as the latest firmware version across several Galaxy devices, with older patches appearing instead. Samsung hasn't confirmed the pause in the rollout, nor plans to issue a fix for users who have already downloaded the One UI 7 update. We've reached out to the company for comment.

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Trump administration officials want legislators to rescind $1.1 billion for the Corporation for Public Broadcasting, which provides some support for public media.

A new investigation reveals that children as young as five can easily access inappropriate content and interact unsupervised with adults on Roblox, despite the platform's child-friendly image and recent safety updates. The Guardian reports: Describing itself as "the ultimate virtual universe," Roblox features millions of games and interactive environments, known collectively as "experiences." Some of the content is developed by Roblox, but much of it is user-generated. In 2024, the platform had more than 85 million daily active users, an estimated 40% of whom are under 13. While the company said it "deeply sympathized" with parents whose children came to harm on the platform, it said "tens of millions of people have a positive, enriching and safe experience on Roblox every day." However, in an investigation shared with the Guardian, the digital-behavior experts Revealing Reality discovered "something deeply disturbing ... a troubling disconnect between Roblox's child-friendly appearance and the reality of what children experience on the platform." [...] Despite new tools launched last week aimed at giving parents more control over their children's accounts, the researchers concluded: "Safety controls that exist are limited in their effectiveness and there are still significant risks for children on the platform."

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Intel will sell a 51% stake in its Altera programmable chip unit to private equity firm Silver Lake for $4.46 billion, aiming to cut costs, raise cash, and streamline the company's focus as it shifts toward becoming a contract chip manufacturer. CNBC reports: The deal, announced on Monday, values Altera at $8.75 billion, a sharp decline from the $17 billion Intel paid in 2015. [...] Since last year, Intel has taken steps to spin Altera out as a separate unit and said it planned to sell a portion of its stake. "Today's announcement reflects our commitment to sharpening our focus, lowering our expense structure and strengthening our balance sheet," [CEO Lip-Bu Tan], who took the helm after former top boss Pat Gelsinger's ouster, said. Altera makes programmable chips that can be used for various purposes from telecom equipment to military. Reuters had first reported in November that Silver Lake was among potential suitors competing for a minority stake in Altera. The deal is expected to close in the second half of 2025, after which Intel expects to deconsolidate Altera's financial results from Intel's financial statements, the company said.

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Pope Francis on Monday signed a decree that recognized the 20th-century visionary’s “heroic virtues” and put him on the path to possible sainthood.