"There are times when I've seen it and I'm thinking, 'Why is the hair standing up on the back of my neck right now?'" — Tom ...

In the early morning hours on an otherwise ordinary Thursday last September, at nearly 460 miles above Earth, Jared Isaacman ...

Where the astronauts sat in the Apollo Lunar Module may have profoundly impacted the way the experience of walking on the ...

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

This is the 274th spacewalk in support of International Space Station's assembly maintenance and upgrades. Depressurization was completed. The hatch is open, and the suits are on battery power.

This is the 274th spacewalk in support of International Space Station's assembly maintenance and upgrades. Depressurization was completed. The hatch is open, and the suits are on battery power. This ...

After spending nearly 7 months in zero gravity, astronaut Sunita Williams overcame the challenge of re-learning to walk, then set a record with a 5.5-hour spacewalk. Along with Butch Willmore ...

Trapped NASA astronauts Butch Willmore and Suni Williams have embarked on their first spacewalk, spending around six hours performing maintenance work on the station's exterior.

This marked Williams' ninth spacewalk and Wilmore's fifth. With this latest achievement, Williams now holds a total of 62 hours and 6 minutes of spacewalk time, placing her fourth on NASA's all-time ...

NASA astronaut Suni Williams has set a female spacewalk record after venturing outside the International Space Station with her fellow Boeing Starliner crew member. Williams and Butch Wilmore ...

NASA’s two stuck astronauts took their first spacewalk together Thursday, exiting the International Space Station almost eight months after moving in. Commander Suni Williams and Butch Wilmore ...