Listen, as a general rule: If you don't know what something is, don't pick it up. "When I'm talking, you're not talking," ...

Satellite images taken more than three decades apart show the disappearance of Iceland's Okjökull, the first glacier to be ...

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

While making the deliveries, the Blue Ghost lander experienced one lunar day. During the course of that day, it captured ...

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

NASA astronauts Sunita Williams and Butch Wilmore finally returned back to earth onboard SpaceX Dragon spacecraft from the ...

NASA astronauts Suni Williams and Barry "Butch" Wilmore returned to Earth on Tuesday after spending some nine months in space ...

After a more than nine-month trip on the International Space Station, Williams and Wilmore splashed down off the coast of ...

The NASA astronauts splashed down on Tuesday in a SpaceX capsule after problems with a Boeing vehicle set in motion a ...

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