NASA's Sunita Williams breaks spacewalk record during extended ISS mission
Astronauts Williams and Wilmore conducted a 5-hour, 26-minute spacewalk to remove radio hardware and collect samples on the ISS.
'It profoundly changes your life': NASA astronauts on the ISS talk about living in space
NASA Astronauts living on the ISS talk with USA TODAY about the experiments they conduct to help humanity hopefully travel ...