Project Mercury was NASA's program that launched the first American astronauts into space, completing a total of six crewed spaceflights. When you purchase through links on our site, we may earn ...

just about evaporated the last faint wisp of hope that the U.S. might put a man into space before Russia does. In the two years since NASA took over the Mercury program, its target date for ...

The fight was on to send a man into space first, and then (eventually) to aim for the moon. Mercury was the program the United States used to prove that humans could function effectively in zero ...

NASA was a fairly new program, so sending Enos up was deemed necessary before orbiting an astronaut in a Mercury capsule. The ...

Japan's Mio space probe now en route to Mercury to study its origin and evolution took advantage of Earth's gravity for a swing by to take a farewell photo of home. Photos showing it whizzing far ...