"That capability gap is significantly narrowed, and we've got to change the way we're looking at space, or that capability gap may reverse and not be in our favor anymore." ...

A SpaceX astronaut mission like no other will lift off from Kennedy Space Center on Monday night. Here's what to know.

Here’s a look at the International Space Station (ISS), a station operated by a partnership of five space agencies from 15 countries. Information on ISS crews and expeditions can be found here.

Starliner was supposed to have been a short eight-day mission, but it didn’t turn out that way. With the arrival of Crew-10, NASA would finally return to Earth the widely publicized “stranded” ...

Russian envoy Kirill Dmitriev suggests Moscow could provide a small nuclear power plant for Elon Musk's Mars mission.

"It is likely to be in the timeframe of late this calendar year or early next year for the next Starliner flight." ...

The Russian agencies, quoting documents associated with the launch, said the Perm is the first nuclear-powered submarine to ...

The Spiral’s primary mission, had it made it beyond the test stage, would have been a combination of reconnaissance and ...

NASA astronauts Sunita Williams and Barry “Butch” Wilmore splashed down safely Tuesday in the Gulf of Mexico after an ...

A former astronaut, Bowersox saw his own space station mission abruptly prolonged. He was up there with Don Pettit, who’s ...

The astronauts' return will close out a dramatic marathon mission that began with a bungled test flight of Boeing's Starliner ...

NASA astronauts Butch Wilmore and Suni Williams have returned to Earth after being stuck in space for more than nine months.