Add Yahoo as a preferred source to see more of our stories on Google. At 8.15 a.m. on Jan. 28, 1986, New Hampshire social-studies teacher Christa McAuliffe sat with her six fellow astronauts ahead of ...

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.

On Tuesday, Oct. 2, at NASA’s Langley Research Center here, Allan McDonald will present, “Truth, Lies and O-rings: Inside the Space Shuttle Challenger Disaster,” from his book by same name. McDonald, ...

it is with deep, heartfelt sorrow. I address you here this afternoon at 11:40 a.m. This morning Space program experienced a national tragedy with the explosion of the space shuttle Challenger.

Weaving together an incredibly detailed and compelling narrative of NASA's tragic space shuttle Challenger disaster, a new non-fiction account of the historic event arrives today from Adam ...

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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 ...