NASA astronaut Chris Williams recently flexed his muscles for a photo while on a spacewalk with fellow astronaut Jessica Meir ...

You'll have plenty of ways to watch NASA's next spacewalk outside the International Space Station, set for June 30, 2026.

NASA astronauts Chris Williams and Jessica Meir completed a 7-hour, 20-minute spacewalk Tuesday to replace a malfunctioning wrist joint on the International Space Station's Canadarm2 robotic arm.

The spacewalk lasted well over 7 hours, 40 minutes longer than expected. Here are the details.

With more private spaceship traffic expected at the International Space Station in the coming years, two US astronauts embarked on a spacewalk Friday to install a special parking spot for them.

NASA astronauts Jessica Meir and Chris Williams carried out a seven-hour spacewalk to repair a robotic arm on the International Space Station (ISS), the US space agency said on Tuesday. The ...

Discover the rigorous training astronauts undergo, from simulations to survival skills, preparing them for the challenges of ...