Update: NASA has postponed the spacewalk due to a "medical concern with a crew member." NASA did not identify the astronaut, nor share details about the medical issue. A new date for the spacewalk has ...

NASA astronaut Suni Williams has retired after 27 years of service and a career defined by endurance, leadership, and firsts in space. She spent 608 days in orbit, completed nine spacewalks, and twice ...

NASA astronaut Sunita Williams has retired after a landmark 27-year career, capping her journey with 608 days in space and ...

The first spacewalk was performed back in 1965 by Russian astronaut Alexei Leonov and lasted for a mere ten minutes. That duration has increased manyfold, as today, the duration of an average ...

NASA astronauts planned to conduct two spacewalks in January to conduct repairs and upgrades to the International Space Station. The first spacewalk, which was set to take place on Jan. 8, was ...

Training is underway for NASA’s newest class of astronaut candidates at the Johnson Space Center in Texas. The nearly ...