The Space Shuttle Challenger STS-51L mission was expected ... Schoolchildren around the country watched the launch, and the disaster, from their classrooms. The Challenger crew is honored at ...

For millions, it was an event that would be seared into their memories for the rest of their lives – on par with the Kennedy assassination and 9/11.

The man who led a NASA facility that shouldered much of the blame for the 1986 space shuttle Challenger explosion has died ...

The crewed shuttle mission for NASA ended moments after ... set to be one of the first “civilians” in space. A NASA investigation later found that cold weather and faulty O-rings on the ...

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 ...

President Ronald Reagan immediately appointed a commission to investigate and report on the circumstances that led up to the ...

“It’s the Space Shuttle Challenger ... The bulletin for the Challenger disaster was no doubt labeled “FLASH,” meaning the event had “transcendent” urgency. A flash was sent with ...

it is with deep, heartfelt sorrow. I address you here this afternoon at 11:40 a.m. This morning Space program experienced a national tragedy with the explosion of the space shuttle Challenger.