While NASA celebrated the launch of its first Space Shuttle in 1981, the Soviet Union was racing to build its own orbital ...

Paul Weitz, a retired NASA astronaut who commanded the first flight of the space shuttle Challenger and also piloted the Skylab in the early 1970s, has died. He was 85. Weitz died at his retirement ...

Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all 7 crew members. Among the seven crew members were 5 NASA astronauts, as well as a payload specialist ...

Seen in this historic photo from the U.S. space agency, the first Space Shuttle External Tank, or the Main Propulsion Test Article, entered NASA history on September 9th, 1977, when it rolled off of ...