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

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 ...

The Challenger disaster still hits harder than almost any other spaceflight tragedy because it did not feel random. This video shows how political pressure, public relations, ignored warnings, and ...

Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all seven crew members. Among the seven crew members were five NASA astronauts, as well as a payload ...