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 ...

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.

Wednesday marks the 40th anniversary of the Space Shuttle Challenger tragedy.The shuttle exploded 73 seconds after takeoff on Jan. 28, 1986.New Hampshire teacher Christa McAuliffe, 37, was one of the ...

Spectators in the VIP area at the Kennedy Space Center in Cape Canaveral, Florida, watch as the space shuttle Challenger lifts off Jan. 28, 1986. The shuttle exploded 73 seconds after launch. (Bruce ...

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 ...

Though the Challenger disaster brought an end to Teacher in Space, educators in the years since have found other paths to orbit. Barbara Morgan, an elementary school teacher who had trained as ...