The Iran-backed Houthi militia was engaged in fierce battles with the Saudi-backed government forces in Yemen on Sunday, as it seeks to maintain momentum in the war.

Mr. Jackson landed in the race unexpectedly. Democrats are hoping he can unseat Susan Collins, a Republican, in their bid to retake the Senate.

A small number of people are shaping what chatbots value. Those choices are already influencing how people think.

The president’s announcement on Sunday echoed his justification for the White House ballroom: that the project was necessary for national security.

A decade ago, I made a decision about my daughter’s education that I hoped would challenge New York City’s separate and unequal school system. Now 16, she thinks I made the wrong choice.

Back onstage, Sheeran acknowledged “mistakes” over the departure of supporting acts, and discussed the “horrific” attack on Israel and the “humanitarian crisis” in Gaza.

Ukraine says it used a newly developed ballistic missile in the attacks, which also targeted other parts of Russia.

Internal emails and documents demonstrate the political capture of the institution, including how officials once pursued a plan to unload much of the art collection.

We look at how one mother approached the decision of where her child should go to school.

The liberal party Yabloko is fielding 98 candidates in this weekend’s elections, a small miracle for antiwar Russians who cannot openly express their views.

Markwayne Mullin is working to overcome hard-liners’ doubts about his leadership, his position undermined by missteps with the White House.

As Xi Jinping arrives in the United States this week for a state visit, China’s advances in artificial intelligence will be in the air. Less discussed: China’s economy in its worst shape in decades.

For most of its life, The New York Times has tried to correct its errors. These efforts have not always been perfect.

Letting A.I. patrol its own frontier is like asking Jesse James to patrol the Wild West.

Cait Conley, who is trying to flip a Republican seat held by Representative Mike Lawler, is fending off attacks concerning her work after she left the Biden administration.

Liberal democracy is in worldwide retreat, including in its birthplace — the United States.

The president’s ban of three media outlets from the White House fits a pattern of using the apparatus of government to crack down on his perceived enemies.

The president proposed a follow-up to his Space Force but continued to dismiss worries about A.I.’s pace or potential for harm.