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

NASA astronauts Chris Williams and Jessica Meir have completed a demanding repair on one of the International Space Station’s ...

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

NASA astronauts Chris Williams and Jessica Meir will fix the International Space Station's Canadarm2 during a spacewalk on ...

There's a ritual that plays out, largely unnoticed, at the end of every spacewalk. The outer hatch seals shut, the airlock pressurizes, and the astronaut reaches up to remove their helmet. What hits ...

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.

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