Forty years after the Challenger disaster, NPR explores the engineers' last-minute efforts to stop the launch, their decades of guilt and the vital lessons that remain critical for NASA today.

Add Yahoo as a preferred source to see more of our stories on Google. This year marks the 40th anniversary of the Challenger explosion, which occurred 73 seconds after liftoff on Jan. 28, 1986, ...

Forty years ago today, Americans were stunned, shocked and saddened when the Challenger space shuttle exploded 73 seconds after liftoff on a cold, cloudless day in Florida. A booster leak ignited the ...

NEW HAMPSHIRE TEACHER WHO WAS PART OF THAT SPACE PROGRAM. I’M ROGER WOOD WITH YOUR NEWS UPDATE. ROGER WOOD IS STILL DOING WHAT HE’S ALWAYS DONE TELLING STORIES. I DON’T KNOW WHAT I WOULD DO IF I ...

Forty years ago, the U.S. space shuttle Challengerset out on a mission to not just launch satellites but to carry the first teacher into space and to inspire the promise of spaceflight into classrooms ...

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 ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. While the origins of decision-support red teaming are often traced back to the intelligence ...