Forty years after the Challenger disaster, NPR explores the engineers' last-minute efforts to stop the launch, their decades ...

The space shuttle Challenger crew. Front row, from left to right, Michael J. Smith, Francis R. "Dick" Scobee, and Ronald E.

The event will honor astronaut Christa McAuliffe, the first teacher selected to fly to space ...

Their eyes were watching. Some knew something was wrong. Others were slow to realize. Soon everyone came to grief. Forty ...

It's been 40 years since the Challenger space shuttle, carrying seven people, took off from Florida's Kennedy Space Center, ...

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, 1986 ...

WASHINGTON (DC News Now) — On this day in history, the Challenger space shuttle exploded, killing all seven inside. On Jan. 28, 1986, an explosion took place 73 seconds into the flight of the ...

Ohio native Judith Resnik was a mission specialist on the doomed Space Shuttle Challenger when it exploded shortly after ...

For 73 seconds, a crowd of excited Americans looked to the sky in wonder and awe as they waved goodbye to the crew aboard ...