NASA's Space Shuttle program was a great idea in concept, but flawed execution led to its demise. Here are the problems it ...

On the chilly Tuesday morning of January 28, 1986, seven American astronauts climbed on board the Space Shuttle Challenger for an 11:37 a.m. launch into space. Just 73 seconds after liftoff, their ...

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 ...

WASHINGTON — It's been 39 years since the Challenger space shuttle explosion, one of NASA's most devastating tragedies. NASA's Challenger shuttle exploded 73 seconds after lifting off on Jan. 28, 1986 ...

HOUSTON (CNN) — NASA's Space Shuttle Challenger lifted off 40 years ago with an unusual crew. In addition to six astronauts, the mission took flight with a teacher on board. Christa McAuliffe, the ...

Forty years ago, the world watched in horror as NASA's space shuttle Challenger exploded mid-air, killing all seven crew members aboard. The disaster occurred at what was then the pinnacle of the U.S.

William Lucas, a key NASA figure during the 1986 Space Shuttle Challenger disaster, has passed away in Alabama at the age of ...