Christa McAuliffe remembered 40 years after space shuttle Challenger exploded

New Hampshire school teacher Christa McAuliffe died on January 28, 1986 when the space shuttle Challenger exploded.
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40 years after the Challenger disaster: Lessons from a tragedy that still resonate today

Wednesday marked 40 years since the space shuttle Challenger accident that killed seven crew members. The mission was not ...

Space shuttle Challenger remembered 40 years after explosion

Forty years ago, Americans were shocked when the space shuttle Challenger exploded 73 seconds after it launched on a chilly ...

A day of tragedy for the space shuttle over Florida. See original live coverage

On Jan. 28, 1986, America witnessed a tragedy: the explosion of Space Shuttle Challenger in the blue skies over Florida. The ...