Space shuttle Columbia disintegrated in flames over Texas minutes before it was to land in Florida. TV footage showed what appeared to be falling debris, as Nasa declared an emergency and warned ...

When Space Shuttle Columbia launched in January 2003, a piece of foam the size of a briefcase broke off from the shuttle's external fuel tank and hit the left wing. Some shuttle engineers worried ...

MIAMI, Florida (CNN) -- A NASA report on the last minutes of Space Shuttle Columbia cited problems with the crew's helmets, spacesuits and restraints, which resulted in "lethal trauma" to the ...