Marking three decades since the explosion of the Challenger claimed the lives of its seven-member crew, we recap the incident ...

As NASA prepared astronauts for its second mission into space, National Geographic had exclusive behind-the-scenes access for the intense and out-of-this-world training these pioneers underwent.

"The flight campaign for the American space shuttle began on April 12, 1981, with the launch of STS-1 from the Kennedy Space Center, Florida, and ended on July 21, 2011, with wheels stop of STS-135.

A 33-year-old aerospace engineer has made space travel history, becoming the first person who uses a wheelchair to pass the boundary of outer space. Michaela "Michi" Benthaus, a German aerospace ...

DVD, region 1, full screen presentation; Dolby Digital 2.0 Dolby stereo. Disc 1. Those daring young men ; The fight for the skies -- Disc 2. Hawks and doves ; History of strategic bombing -- Disc 3.