A space robot said "goodnight" to the moon as it completed its mission, capturing the first high-definition images of a lunar ...

NASA astronaut Don Pettit captured this stunning long-exposure view of Earth and stars from space at night from the ...

A four-member crew, including NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore, left the ISS early Tuesday on ...

NASA has shared the first images of Butch Wilmore and Suni Williams following the end of their epic nine-month space mission ...

Four astronauts were all smiles Tuesday evening when they splashed down off the Florida coast on a SpaceX Dragon capsule. See ...

Dolphins surrounded the SpaceX capsule after it landed in the ocean on the NASA astronauts' successful journey home after ...

NASA astronauts Butch Wilmore and Suni Williams ended up spending 286 days in space — 278 days longer than anticipated when ...

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

NASA’s James Webb Telescope captured direct images of gas giants in HR 8799, revealing their carbon dioxide-rich atmospheres.

The astronauts will be checked out by flight surgeons as they adjust to gravity, officials said, and should be allowed to go ...

Stranded NASA astronauts Sunita Williams and Butch Wilmore finally arrived home yesterday after more than nine months in ...