NASA astronauts Suni Williams and Butch Wilmore were able to remove a stuck radio communications unit on a record-setting spacewalk on Thursday (Jan. 30).

NASA astronaut Sunita Williams made history on Thursday, by surpassing the record for the most time spent in the vacuum of space by a woman. During a 5-hour and 26-minute spacewalk outside the International Space Station,

NASA astronauts Sunita Williams and Butch Wilmore embarked on their first spacewalk after eight months in the International Space Station for maintena