The two solid rocket boosters flew in different directions as the external fuel tank became a fireball.(AP: Bruce Weaver / File) Forty years ago, the Challenger space shuttle disintegrated just after ...

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

It's been 20 years since space shuttle Columbia broke apart during reentry, killing the entire crew of seven. NASA had high hopes for Columbia's 28th mission. It rocketed into space on Jan. 16, 2003, ...

Space Shuttle Columbia disaster didn’t begin during re-entry. It began 16 days earlier, with something NASA believed was ...

On Feb. 1, 2003, the Space Shuttle Columbia disintegrated upon reentering Earth's atmosphere, killing all seven crew members on board. Major Garrett introduces CBS News Radio's coverage from that day.

David Klaus, a retired University of Colorado Boulder professor, was a 23-year-old launch control engineer at NASA when the Challenger spacecraft exploded shortly after liftoff in 1986. When his ...

Graduate student Alex Thompson, left, and Hisham Ali, right, talk in front of their plasma tunnel, where a plasma made from argon gas glows purple. Picture a spacecraft returning to Earth after a long ...