Two NASA astronauts will conduct a long-delayed spacewalk today (March 18), and you can watch the action live. NASA ...

NASA will provide live coverage as two American astronauts are due to spend hours Wednesday, March 18, on a spacewalk outside the ISS.

NASA halted a planned spacewalk at the International Space Station because of what it described as a “medical concern” involving one of the astronauts, a reminder that even routine work in orbit can ...

Add Yahoo as a preferred source to see more of our stories on Google. A Maryland man is one of two astronauts about to suit up in space suits and step outside the relative safety of the International ...