A congressional inquiry into the explosion — which was witnessed by millions during the live television broadcast of the Challenger launch — determined that the disaster was deemed unsurvivable.

The Challenger disaster shook the nation in 1986, ... Not only was it a high profile disaster, it was broadcast live via satellite and cable TV into the classrooms of 2.5 million American ...

WASHINGTON — It's been 39 years since the Challenger space shuttle explosion, one of NASA's most devastating tragedies. NASA's Challenger shuttle exploded 73 seconds after lifting off on Jan. 28 ...

Corrections & Clarifications: An earlier version of this story misstated the date of the Space Shuttle Columbia disaster. It occurred Feb. 1, 2003. For millions of Americans, it was an event that ...

The tragic Challenger flight took off on January 28th, 1986, breaking apart only 73 seconds into its journey. All six crew members and school teacher Christa McAuliffe were killed in the explosion ...