U.S. Sen. John Fetterman had what his office says was a “ventricular fibrillation flare-up” that caused him to feel ...

The U.S. stock market sank to its worst day in a month and its second-worst since April amid growing worries about AI stocks ...

Instead of chasing stars or exploring new worlds, a growing number of innovators are launching satellites to protect our own ...

A new directive by the Trump administration could make it more difficult for foreigners to visit or live in the United States ...