NASA astronaut Bruce McCandless became the first person to go on a spacewalk without a tether. McCandless was wearing a type ...

NASA's two stuck astronauts are taking their first spacewalk together, exiting the International Space Station almost eight ...

NASA and the European Space Agency said Wednesday that the chance of the asteroid impacting Earth is slightly more than 1%.

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.

The pair expected to stay just a week when they arrived at the space station last June. But their brand new ride, Boeing's Starliner capsule, encountered so much trouble that NASA decided to ...