Spacewalking astronauts closing in on final battery swaps outside International Space Station
NASA's Bob Behnken and Chris Cassidy ventured out on their third spacewalk over the past few weeks.
Jul 17, 2020, 01:00 AM ISTNASA astronauts wrap up second spacewalk
Friday's spacewalk is the 190th in support of the International Space Station, which just marked 15 continuous years of human habitation.
Nov 06, 2015, 18:43 PM IST