Beloved Concord teacher Christa McAuliffe, the first civilian teacher ever chosen for a space mission, was one of seven crew members killed in the disaster.

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. Approximately a minute, half 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.

WHITEHALL, Mich. — The Space Shuttle Challenger explosion was one of those moments in history that you will always remember where you were when they happened. Terry Fett, who now lives in ...