Four decades after Challenger, the disaster’s lessons continue to guide how humanity explores space responsibly.

Challenger Learning Centers throughout the country were created to honor the Challenger crew's legacy and inspire students through interactive space missions and science education.

A catastrophic failure occurred 73 seconds after liftoff as the shuttle emerged from “Max-Q,” the period of highest mechanical stress in the lower atmosphere. The vehicle broke apart in flight and ...

Today marks the 39th anniversary of the Space Shuttle Challenger disaster (Mission STS-51-L), when the shuttle's seven astronauts were killed by an explosion.

Christa McAuliffe trained to be the first teacher in space, preparing to turn a shuttle cabin into the most-watched classroom in America. Forty years after she and six crewmates died when Challenger ...

No one can tell the story better than someone who's lived it and when it comes to breaking barriers and overcoming obstacles during NASA's space shuttle days, that would be Col. Eileen Collins.

The space shuttle is the “world’s first reusable spacecraft,” launching like a rocket, orbiting like a spacecraft and landing like a plane. Space shuttles could carry satellites, space probes, and ...