The Meta chief executive testified in a landmark antitrust trial that it was business as usual when he bought rival apps. He denied he was trying to snuff out competitors.

Harvard has rejected an effort by the White House to exert more control over its programs. Federal law prohibits the president from telling the I.R.S. to conduct specific tax investigations.

While serving as Colin Powell’s deputy during the Iraq war, he found himself at the center of a scandal when he leaked a C.I.A. operative’s name.

Also, the I.R.S. is downsizing. Here’s the latest at the end of Tuesday.

Shelby Park in Eagle Pass, Texas, was a backdrop for immigration fights during the Biden administration, but as the battle has moved inland some of the state’s troops have decamped.

Mohsen Mahdawi, who led Columbia protests, engaged in activities that could threaten attempts to end the war in Gaza, a memo from Secretary of State Marco Rubio said.

Scholars say that the Trump administration is now flirting with lawless defiance of court orders, a path with an uncertain end.

An olive branch is easier to accept when it is offered from the tip of a sword.

A video from the San Diego Zoo Safari Park taken during an earthquake put complex elephant herd dynamics on display.

In opening statements, lawyers for Sarah Palin and The Times each presented arguments on whether the editorial board had published a statement knowing it was false.

A lawsuit argues that an executive order that City Hall issued last week is “part of a corrupt quid pro quo bargain” between Mayor Eric Adams of New York and President Trump.

Fast fashion retailers rely heavily on shipping by air. The president’s tariffs could change that.

The New York Times obtained autopsy reports for 14 of the 15 people killed in a March 23 attack on an ambulance and fire truck.

In the first clinical trial of its kind, an A.I. chatbot eased mental health symptoms among participants. The technology may someday help solve the provider shortage.

A message from the university’s acting president said that talks with the Trump administration were continuing as the White House is seeking to place the school under judicial oversight.

People in the Ukrainian city struck on Palm Sunday have little hope of a cease-fire.

Even if gadget prices surge, we have plenty of cheaper options, like buying last year’s phone model instead of the latest and greatest.

A tourist season that stretches from October to March has been anything but jolly for some residents of the “Official Hometown of Santa Claus.”