NASA is preparing to conduct its first spacewalk at the International Space Station (ISS) in nearly a year, ending an ...

NASA astronauts will conduct a pair of spacewalks beginning Wednesday, March 18, outside of the International Space Station.

NASA astronauts will conduct two spacewalks outside the International Space Station in March to prepare for new roll-out solar arrays that will boost the station's power supply.

Add Yahoo as a preferred source to see more of our stories on Google. A crew member aboard the International Space Station has a medical issue that forced postponement of today's two-astronaut ...

NASA is debating whether or not to bring one of the astronauts on the International Space Station early because of a medical issue. The agency did not give specifics of the medical problem or which ...

Astronauts aboard the International Space Station have tested a pair of new technologies to enhance in-orbit medical capabilities and reduce reliance on ground support. The astron ...

On March 18, 1965, the Soviet spacecraft Voshkod-2 launched with two cosmonauts on board, Alexei Leonov and Pavel Belyayev. They had the important mission of accomplishing mankind’s first spacewalk ...