Bob Ebeling was anxious and angry as he drove to work on the morning of Jan. 28, 1986. He kept thinking about the space shuttle Challenger, cradled on a Florida launchpad 2,000 miles away. Ebeling ...

A little more than a minute after launch and high above Kennedy Space Center, shuttle Challenger was ripped apart after failure of a rubber seal allowed a spurt of rocket flame to ignite the ...

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.

"Tonight, the search for survivors turned up none," Rather continued. "The search for answers is just starting." "I fought like Forty years after the Challenger disaster, NPR explores the engineers' ...