An emergency room that’s a mirror.

Alan Cumming forced fishy British snacks onto movie stars. Paddington Bear presented an award. And a racist slur and swearing.

The ripple effects of cutting H.I.V. research funding.

Living in urban China may have given the insects the traits they needed to thrive in the United States, a new study suggests.

It’s not just frostbite and hypothermia. Freezing cold can affect almost every part of your body.

The ads by Public First Action, which started airing on Monday, are part of an escalating political war over artificial intelligence before the midterm elections.

A Pritzker Prize statement cited the award’s independence after Mr. Pritzker, who directs the foundation behind the award, resigned as chairman of the Hyatt Corporation.

The government in Tehran sees capitulating to Washington’s demands on uranium enrichment and ballistic missiles as riskier to its survival than going to war, analysts say.

Teachers say they want to equip high school students to drive artificial intelligence, rather than be mere passengers steered by chatbots.

We’re looking at the potential for a U.S. attack on Iran.

Plus, a shooting at Mar-a-Lago.

The death of Nemesio Oseguera Cervantes dealt a major blow to the Jalisco New Generation Cartel, but few believe it spells the end for the powerful group.

After the Trump administration’s punishing tariffs were invalidated, the president said he would impose new tariffs using a different authority. It’s been a whirlwind.

Trends on jobs, inflation and crime that began before Donald Trump retook office continued, largely unabated, in his first year back.

Our reporter Ann E. Marimow describes the rationale of the Supreme Court’s 6-to-3 ruling to strike down President Trump’s sweeping tariffs.

At least 35 times since August, federal judges have ordered the administration to explain why it should not be punished for violating their orders in immigration cases.

Amid rising tensions with Cuba, the Trump administration is backing lawsuits that would allow Americans to get compensation for property confiscated by Fidel Castro’s regime.

The World’s 50 Best Restaurants will give out its awards this year in a country that has been accused of human rights violations.

The state where Jeff Bezos and Bill Gates made fortunes might have progressive social policies, but its resistance to an income tax is similar to conservative states. That might change.

Vladyslav Vlasiuk has spent the past four years pressing Western allies to squeeze the Russian economy through more sanctions. He hopes that 2026 will be the tipping point.

A shooting in Washington, D.C., threw their immigration status into jeopardy — and brought attention to a long-hidden dimension of America’s war.

The top negotiators plan to meet in Geneva on Thursday for last-ditch talks, debating a new proposal that could create an off-ramp as two carrier groups massed within striking distance of Iran.

Paul Thomas Anderson’s comedy drama won six awards at the British equivalent of the Oscars. The best actor choice, however, was a surprise.

Stakes in private companies. Handshake deals with chief executives. The president’s economic policy has drifted far from principles that long defined the Republican Party. Is it capitalism at all?