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

NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore surely didn't think they'd still be on the International ...

Humans have been living and working on the ISS since 2000. On Thursday ... areas of light filters for the NICER (Neutron star Interior Composition Explorer) X-ray telescope.

NASA astronauts Nick Hague and Suni Williams work on the exterior of the ISS on January 16 ... of the station called NICER (Neutron star Interior Composition Explorer). The astronauts are Nick ...

For the benefit of those of us stuck on Earth, Cristoforetti photographed the ISS interior in all of its glory, which you can now experience in this epic virtual tour of the entire ISS.

According to a statement from NASA, she will join fellow astronaut Nick Hague on a mission aboard (on January 16) the International Space Station (ISS) to repair the Neutron star Interior ...

Suni Williams steps outside the International Space Station for the first time since arriving in June on Boeing’s Starliner.

After a gap of more than a year, NASA successfully resumed spacewalks outside the International Space Station on Thursday.

Williams was accompanied by fellow astronaut, Butch Wilmore, on her ninth spacewalk. It was Wilmore's fifth spacewalk.