Watch NASA astronauts Suni Williams and Butch Wilmore perform spacewalk outside the ISS today (video)
Williams and Wilmore both arrived at the ISS last June, aboard the first crewed test flight of Boeing's Starliner spacecraft.
Greek Reporter19h
Moon Not as ‘Geologically Dead’ as Previously Assumed, New Study Reveals
New research reveals that the moon's surface may still be changing, challenging previous beliefs of it being geologically dead.