A half-century ago, scientists and lawyers agreed to strict self-regulation in DNA research to avoid catastrophe. Can A.I. follow the same model?

Trump officials have focused on episodes during protests over the war in Gaza at Harvard and other schools. Jews on campus describe a changed atmosphere.

© Lucy Lu for The New York Times

As people fled their cars along the busy riverfront road, a state trooper and an armed civilian ran toward the gunman and exchanged fire with him.

© Chris Devor, via Reuters

The administration had spent months investigating the Ivy League school. The two sides had been in talks to negotiate a settlement.

© Lucy Lu for The New York Times

The images of a father known as Renty and his daughter Delia were honored today in a ceremony by their new steward, a museum in South Carolina.

© Donaven Doughty for The New York Times