Detectors inside Artemis I’s Orion capsule show how much radiation exposure its mannequins underwent and how effective a ...

The aerospace company just completed a crucial test on Earth of technology to generate oxygen on the moon. Sierra Space is ...

NASA astronauts Barry Wilmore and Sunita Williams — who are stuck in space due to mechanical issues with their shuttle — ...

Don Pettit is replacing astronaut Tracy Dyson, who plans to return to Earth on Sept. 23, after a six-month stay aboard the ...

A SpaceX astronaut has helped take music to new heights, recording a very special song in space to show support for kids in ...

Three months after the Starliner launched, NASA astronauts Barry Wilmore and Suni Williams remain in space. Here's a timeline ...

Sunita Williams and Barry Wilmore are among a long list of astronauts who got to spend more time on the ISS than expected. NASA astronauts (clockwise from bottom) Matthew Dominick, Jeanette Epps ...

CAPE CANAVERAL, Fla. — Will two NASA astronauts return to Earth soon in their troubled Boeing capsule? Or wait at the International Space Station for a ride home next year with SpaceX?

NASA and Boeing have avoided the terms “stuck” and “stranded,” but either way, two astronauts are still in space long after they planned to be. Sunita “Suni” Williams, the mission ...

Stranded Nasa astronauts Barry 'Butch' Wilmore and Sunita Williams say they feel "grateful" to spend more time in space, despite difficulties The two gave a news conference about their experience ...

Nasa astronauts Suni Williams and Butch Wilmore could well have spent the better part of a year up in space by the time they are able to return to Earth - a trip which is forecasted for February 2025.