Christa McAuliffe never got to realize her dream of teaching from space. The 37-year-old social studies teacher from Boston was selected above nearly 11,000 educators as the primary candidate for the ...

Stewart stars as Sally Ride in the series about the events leading up to and following the 1986 Challenger disaster.

One of those six was called the Challenger. That one was the one McAuliffe got to be on. STS-51-L, as the mission was called, was the 25th of the Space Shuttle program. It was mostly a routine mission ...

The explosion claimed the lives of all seven astronauts, including McAuliffe, the first private citizen selected for spaceflight. Sailors on carriers like the USS Abraham Lincoln feel the strain as ...

The two solid rocket boosters flew in different directions as the external fuel tank became a fireball.(AP: Bruce Weaver / File) Forty years ago, the Challenger space shuttle disintegrated just after ...