Astronomy contributor and lunar expert Robert Reeves looks back on a Texas-sized achievement in Moon exploration.
Just four years after the first human traveled to space, a Soviet cosmonaut and later an American astronaut took next steps that would be vital to exploration: They walked in space. A spacewalk, when ...
After being stranded in space for over nine months, Sunita Williams and Butch Wilmore made a splashdown off the Florida coast ...