The story introduces a simulated gravitationless environment—a concept that, while seemingly futuristic, has roots in ...

At 67, a heart surgeon leaves the suburbs for Brooklyn and for the chance to continue his life’s work in a new ... Then they got real. Two young actors were prepared to work hard to make it ...

U.S. Air Force Captain Aimee Fiedler took a student up for a training mission—and got caught by rapidly changing weather.

That's all for our live coverage of the war in Ukraine. We'll be back tomorrow with more updates. Here's a rundown of the key lines from today: Ukraine's military has said it was responsible for a ...

Ukraine confirmed responsibility for a strike against a Russian oil base in the city of Engels. Meanwhile, Donald Trump said he hoped to end the war in Ukraine before he reached six months in office.