What do you bring the president when you visit the White House? Mayor Zohran Mamdani made a choice that seemed to please Donald Trump.

The office of a prosecutor based in Miami has issued new subpoenas in a wide-ranging inquiry aimed at President Trump’s perceived foes.

Anthropic said it was standing firm on not having its A.I. used in certain scenarios by the Pentagon, which has imposed a Friday deadline on the company to give unfettered access to its technology.

The Trump administration is signaling a different approach, after demanding an end to Cuba’s communist leadership.

The new head of NASA predicts a manned mission to Mars in 10 years.

The Cuban government’s account of a supposed armed raid into its territory was called into question after one of the men identified as being on the boat turned up in Miami.

Sin Tung Chan was a member of a prominent hometown association in the city, one of hundreds of social clubs that often maintain close ties with the Chinese government.

For years, ligament tears have been a crisis among young athletes — even though a few simple exercises can prevent them.

Mourners lined up outside Rainbow PUSH, the organization Mr. Jackson founded decades ago. He died last week at 84.

Most people alive today carry fragments of Neanderthal DNA in their genome. Now scientists are gaining a more intimate understanding of the ancient encounters that put it there.

The Trump administration came under fire for an operation that turned lethal and politically toxic. But the show of force may also have had a bigger purpose: to serve as a warning.

The disclosure is the latest example of how the urgent push to release the files led to the government publicizing information it would normally keep under wraps.

Borge Brende, a former foreign minister of Norway, had maintained contact with the convicted sex offender.

Scientists studying data collected over more than three decades found accelerating losses. Their research offers clues about the causes.