Christa McAuliffe was to be the first civilian in space, but on January 28, 1986, Space Shuttle Challenger exploded, killing ...

Christa McAuliffe was to be the first civilian in space, but on January 28, 1986, Space Shuttle Challenger exploded, killing everyone aboard. In memory of the first Teacher-In Space, here are some ...

She planned to teach two classes from space to educate others on what it was really like to live and eat in zero gravity She was the first teacher to make the voyage, but 73 seconds into liftoff, the ...

It was a tragic day in American history -- 25 years ago today, the Space Shuttle Challenger exploded 73 seconds after takeoff, killing all seven astronauts on board. Most of us remember where we were ...

A flag that survived the 1986 Challenger explosion will be permanently displayed and unveiled at Colorado Springs' Challenger ...