Forty years ago, the Challenger space shuttle disintegrated just after lift-off. A small team of engineers tried to prevent the tragedy.

Seven American spacefarers were killed in a tragic event 40 years ago today that has become widely known as the Challenger ...

EDWARDS AIR FORCE BASE, Calif. Atlantis and its seven astronauts returned to Earth safely Friday, ending a two-week mission to deliver an addition to the international space station and bring a crew ...

The program featured Capt. Robert “Hoot” Gibson, a veteran NASA astronaut who flew five space shuttle missions, including aboard Challenger, Columbia, Atlantis, and Endeavour.

Their eyes were watching. Some knew something was wrong. Others were slow to realize. Soon everyone came to grief. Forty years ago Space Shuttle Challenger climbed into the clear amid blue skies over ...

CAPE CANAVERAL, Fla. (AP) – Accompanied by a fleet of astronauts spanning NASA’s entire existence, Atlantis made a slow, solemn journey to retirement Friday, the last space shuttle to orbit the world ...