As NASA weighs decision on whether to return Crew-11 early due to a medical issue, here's what you should know about the crew.

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 ...

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 ...

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