Samples can be stored at -80 degrees Celsius to keep critical samples from experiments at their proper temperature while ...

Astronaut Butch Wilmore is retiring from NASA less than five months after he returned from a troubled test mission that left him aboard the International Space Station far longer than expected.

It comes just three months after China and Russia announced they were considering a joint effort to also put a nuclear power ...

The space station welcomed four new crewmembers on Saturday, and their spacecraft captured some dramatic footage shortly ...

If you ever lie awake at night wondering just how likely you are to die from an asteroid impact within your lifetime, a new paper has you covered.

Wilmore, 62, had already retired from the Navy. Williams, 59, also a retired Navy captain, is still with NASA. She joined ...