In 2018, an orca in Washington dubbed J35 by scientists made global headlines when she carried her dead baby on her nose for 17 days. The same orca has just lost another calf.

South Korea's political crisis began a month ago with the brief declaration of martial law. It's a recent example of power grabs in established democracies that holds lessons for other nations.

Federal officials are trying to figure out the motive behind a Colorado man's decision to drive a rented Tesla Cybertruck to Las Vegas and detonate it in front of a Trump hotel on New Year's Day.

New research shows that the anesthetic ketamine keeps fish from giving up -- and the way it works may help figure out how it works in humans and lead to better medications for depression.

The Koran forbids intoxicants. But as psychedelics show promise in treating mental health, some Muslims are trying to figure out if there can be a place for psychedelics within Islamic life.

In New Orleans, it's been several days since the New Year's Day truck attack in the French Quarter. As residents and tourists grapple with what happened, people are also trying to get back to normal.