Space is one of the most dangerous frontiers, yet astronauts have repeatedly defied death through skill, technology, and ...

Dangerous situation on the International Space Station. A Russian astronaut was warned about a threat caused by a coolant ...

NASA's stuck astronauts are heading home now that a replacement crew has arrived at the International Space Station.

Shocking before-and-after images of NASA's stranded astronauts show the terrifying damage that months spent in the harsh ...

The Supreme Court seems to be in no hurry to address an issue that has irritated Republican and Democratic administrations ...

Russian cosmonauts Oleg Kononenko and Nikolai Chub took part in a spacewalk on the International Space Station to inspect its ...

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

After splashing down off the coast of Florida, the latest crew to return from the International Space Station arrived by jet ...

NASA astronauts Suni Williams and Butch Wilmore have finally returned home. They'll find their bodies changed after ...

After the end of the space shuttle program, NASA turned to private companies to fill the gap. That isn't working out for the ...

It’s been 286 days since astronauts Suni Williams and Butch Wilmore have felt the pull of Earth’s gravity. CNN’s Dr. Sanjay ...

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