The restrictions also apply to conversations between teenage users and artificial intelligence chatbots.

Is a powerful addiction treatment already invented?

The rare October storm could cause mudslides and debris flow, forecasters said. Some residents in Los Angeles County have been told to evacuate.

The return of the remains of four former captives has spurred anger that more were not retrieved. The devastation to Gaza is likely to make the task especially hard.

Our reporters explore his skyrocket, his life and his appeal.

A two-term Democratic governor, Ms. Mills called herself “battle tested” in an interview. But she faces a Democratic primary before she can challenge the Republican incumbent.

General Motors said it would lower its earnings by that amount to mainly reflect the drop in the value of equipment, factories and other assets.

As Russia rebuffs President Trump’s diplomatic push, President Volodymyr Zelensky of Ukraine plans to head again to the White House, this time seeking missiles.

Plus, France versus fast fashion.

Hamas released hostages and agreed to abide by a cease-fire, but persuading it to lay down its arms is another matter.

The new taxes went into effect on Tuesday as President Trump also threatened to widen his trade war with China.

How the Democratic nominee for mayor who has stunned the New York establishment is working to shore up support and sustain his momentum.

The former transportation secretary argues Americans need a new sense of belonging.

The justices have shown a willingness to chip away at the landmark civil rights legislation. A Louisiana case could unravel much of its remaining power.

With the United States surging its military presence in the region and bombing boats, countries in the Caribbean are seeing more flights carrying illegal drugs.

The story of the man most likely to be the next mayor of New York City — and the promise and peril his ascent poses for the Democratic Party.

I Cavallini is as hard to get into as its Williamsburg precursor, but its Italian cooking is a tad more tentative.

Tadashi Yanai champions the U.S. market as vital for Uniqlo’s growth, but remains deeply concerned about rising American protectionism.

Except for brief references, President Trump did not talk about what it would take to rebuild Gaza or about the future of the Palestinian people.

The measure is aimed at countering China’s dominance of commercial shipbuilding and helping to revitalize the American industry.

“We were happy for our prisoners — and for the Israelis, too,” one Gaza resident said. “We love peace and the truce.”

Jimmy Kimmel celebrated that President Trump “finally did something positive” with his role in the deal between Israel and Hamas.

Ms. James, in her first public appearance since her federal indictment, said that she and Mr. Mamdani knew what it was like to be threatened and harassed.

The president’s bellicose vow of steep new tariffs, followed quickly by a more conciliatory message, pointed to an internal tug of war over his approach.

Representative Mikie Sherrill, a New Jersey Democrat, said a firm once owned by her Republican opponent, Jack Ciattarelli, spread misinformation about opioids. His campaign has threatened to sue her for defamation.