On Thursday, a pair of astronauts will venture outside the space station to prepare for the future installation of roll-out ...

NASA said on Wednesday it was postponing a spacewalk that was scheduled for Thursday, citing a “medical concern” with one of the crew members.

Five American astronauts have 10 spacewalks under their belt to date: Bob Behnken, Stephen Bowen, Chris Cassidy, Michael ...

NASA astronauts Mike Fincke and Zena Cardman are due to conduct the first spacewalk of 2026 outside the International Space ...

Ultimately, Mars will test our biology more than our technology. Every gram of muscle preserved, every synapse protected, every cell repaired will be a triumph of physiology. Space may dismantle the ...

NASA astronauts are preparing for two spacewalks to complete tasks outside the International Space Station. Here's what we ...

Spaceflight planners are treating 2026 as a pivot year, with six headline missions that range from NASA’s push back to the ...

"How do you get to Mars when the launch vehicle is not necessarily going to Mars?" ...

Scientists have discovered 26 new bacterial species that survived the extreme sterilization protocols of NASA cleanrooms ...