New York Times

The authorities released more video footage in an attempt to identify a suspect, and said they had no idea why the killer attacked a study session.

The attack appeared to have been inspired by white supremacist ideology, Telegram channels close to intelligence agencies reported.

We asked readers to tell us about the most memorable presents they’ve received.

Mass demonstrations in Bulgaria were spurred by spreading outrage over graft that many say was fueling an authoritarian power grab.

Two soldiers and a civilian interpreter were killed while supporting counterterror operations, the Pentagon said. They are the first U.S. casualties in Syria since the fall of the dictator Bashar al-Assad.

Days of heavy rain pushed waterways to record flood levels in a mountainous region north of Seattle. “Do not wait,” local officials warned residents, urging them to seek higher ground.

A gas line explosion in Hayward, Calif., sent multiple victims to the hospital and led to a fire that burned several houses.

Just as this week’s floodwaters in the Pacific Northwest begin to recede, forecasters warn, another storm will approach the West Coast.

Lea Michele’s star turn in “Chess.” Kara Young as an 8-year-old. A 12-minute monologue delivered from a cloud. These are our favorite scenes from this year.

We look at climate solutions across the country.