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

I wish that everyone could come and visit the Space Station so that they could get that perspective because I think it profoundly changes your life after you go back to the Earth. Yeah, I just have to ...

Using an amateur radio setup, 10 children chatted with astronaut Donald Pettit about life on the International Space Station.

The four American astronauts aboard the ISS, including the Boeing Starliner crew, spoke to USA TODAY in an exclusive ...

Cady Coleman, a retired NASA astronaut, revealed in the same interview that the astronauts don't get any special overtime ...

This deep-sea space station will be required to study cold seep ecosystems the methane-rich hydrothermal vents that teem with ...

The moon isn't Earth's only iconic satellite. The International Space Station is up there too, circling the planet 16 times each day. You just don't see it. A stunning new photo shows just how ...

The first-ever astronaut with a physical disability has been cleared for a mission onboard the International Space Station, ...

NASA astronauts Sunita Williams and Barry Wilmore's mission at the International Space Station (ISS) has extended from eight ...

Butch Wilmore, a fellow astronaut, stuck in space with Williams revealed how gravity will be the biggest challenge when the two astronauts return home.