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.

NASA astronauts Chris Williams and Jessica Meir will fix the International Space Station's Canadarm2 during a spacewalk on Tuesday (June 30), and you can watch the action live.

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