A new session of Congress began Friday with Republicans to take full control in the Washington this month. But the new session was not without internal drama for the party.

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.

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.

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.

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.

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.