Smithsonian Magazine on MSN13h
Two Trailblazing Spacewalks in 1965 Opened the Door to Decades of Astronauts Pushing the Limits of Their Capabilities
Since those early steps, extravehicular activity has helped provide the solutions to many problems that astronauts face in ...
Live Science19h
NASA captures stunning new image of shock waves from next-gen supersonic plane as it flies across the sun
New photograph captures breathtaking sight of history-making Boom Supersonic's XB-1 passenger plane as it hits supersonic ...