NASA's troubled efforts to get prized Martian samples to Earth ... and lay the groundwork for the astronauts who will set ...

NASA is aiming to send astronauts back to the moon before the end of this decade, and it's using VR technology to get ready.

NASA astronaut Nichole Ayers photographed a rare atmospheric phenomenon over the US and Mexico known as a "sprite" that's ...

A picture snapped from the International Space Station (ISS) by NASA astronaut Nichole Ayers has captured a lesser-seen view ...

NASA astronauts Nichole Ayers, Jonny Kim and Anne McClain marked Independence Day with a few heartfelt words for their ...

A Russia-controlled module on the space station has been leaking for years. Now, operators are working to figure out if the ...

Here's a look at the four international astronauts that make up the SpaceX Ax-4 crew: Commander Peggy Whitson, a former NASA astronaut and director of human spaceflight at Axiom Space who ...

The latest news and live updates as NASA astronauts Suni Williams and Butch Wilmore, who flew Boeing's Starliner to orbit, return on a SpaceX capsule after nine months in space.

The first astronauts in more than 40 years from India, Poland and Hungary have arrived at the International Space Station, ...

NASA astronauts Suni Williams and Butch Wilmore were on the International Space Station more than nine months, despite launching into space in June for what was expected to be an eight-day mission.

At 7:03 p.m. EDT, NASA astronauts Anne McClain and Nichole Ayers launched to the station aboard a SpaceX Dragon capsule. Also on board is Takuya Onishi, ...