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

Two NASA astronauts did a spacewalk to remove hardware from the exterior of the ISS. Petrified wood is one of the most sought ...

Astronauts Williams and Wilmore conducted a 5-hour, 26-minute spacewalk to remove radio hardware and collect samples on the ISS.

Williams and Wilmore both arrived at the ISS last June, aboard the first crewed test flight of Boeing's Starliner spacecraft.

Astronauts are scheduled to venture outside the International Space Station to collect microbiological samples during crew ...

Astronauts are set to swab the space station's exterior, searching for living microbes to better understand how they survive ...

As for the spacewalk itself, if you’d like to watch along with the event, it will be livestreamed on NASA’s streaming service ...

NASA astronauts Suni Williams and Butch Wilmore completed a spacewalk Thursday while awaiting their delayed return to Earth.

NASA’s two stuck astronauts took their first spacewalk together Thursday, exiting the International Space Station almost ...

Commander Suni Williams and Butch Wilmore removed a broken antenna and wiped the station’s exterior for evidence of any ...

The plan is for the spacewalkers to collect samples from sites near life support system vents on the exterior of the ISS.