Duo makes history with first all-women spacewalk Astronauts Jessica Meir and Christina Koch ventured outside the International Space Station for more than seven hours. WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT': https://bit.ly/31wiFXY WATCH OTHER FULL EPISODES OF WORLD NEWS TONIGHT: http://abc.go.com/shows/world-news-tonight #WorldNewsTonight #AllWomenSpacewalk #JessicaMeir #ChristinaKoch #NASA