Yi Soyeon, Korea's first and only astronaut, made history in 2008 by beating out 36,206 candidates to join a mission to the ...

LIVE: Two @NASA_Astronauts, Nick Hague and Suni Williams, step outside of the @Space_Station to support station upgrades, ...

NASA has delayed astronaut Sunita Williams's second spacewalk, originally planned for Thursday. The spacewalk, technically ...