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.

Today marks 39th anniversary of Space Shuttle Challenger explosion, which took lives of seven crew members, including Ronald ...

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.

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 ...