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

Add Yahoo as a preferred source to see more of our stories on Google. The 40th anniversary of the Space Shuttle Challenger disaster comes as NASA prepares for its next major step in human spaceflight.

WASHINGTON — Wednesday marks 40 years since the NASA Challenger space shuttle exploded less than two minutes after takeoff, killing everyone aboard. Jan. 28, 1986, began a day filled with hope and ...

Editor: On a beautiful January morning in 1986, seven crew members, five men and two women, proudly boarded The Space Shuttle Challenger. We saw the crew for the last time as they walked out to the ...

Seven astronauts were killed in the 1986 space shuttle Challenger disaster. Because a teacher was aboard, millions of schoolchildren watched the event live in school. Forty years later, many of those ...

Waco, TX (FOX 44) – For four decades, the legacy of Challenger has shaped a nation, reverberated around the world, and left a lasting mark on an entire generation that watched it unfold. Just 73 ...

SAN DIEGO (KGTV) - A La Jolla High School teacher who was a finalist for the Teacher in Space program reflects on the 40th anniversary of the Challenger disaster and how the tragedy shaped her mission ...