The survival of organisms in the vacuum of space could support the theory that life didn't start on Earth, but originated ...

The astronauts who traveled to the International Space Station aboard the Boeing Starliner are in good health, a NASA ...

To comply, NASA has sought to sanitize Mars rovers at a threshold of no more than 300,000 bacterial spores on any surface.

NASA astronaut Don Pettit has captured ... with the bright red soils washing into rivers after rains. Other astronauts viewing the scene from the ISS have described it as Madagascar “bleeding ...

NASA's fallen astronauts: a photo memorial — New NASA video honors fallen astronauts of Apollo 1, Challenger and Columbia — Space shuttle Columbia: NASA's first shuttle in space NASA holds its ...

Astronauts are to search for life in space - clinging to the International Space Station. NASA crew will swab the exterior of the orbital outpost next week to collect microbiological samples ...

One of NASA's two stuck astronauts got a much welcomed change of scenery Thursday, stepping out on her first spacewalk since arriving at the International Space Station more than seven months ago.

Americans, Russians and spacefarers from other countries have been working together aboard the International Space Station ...