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.

To demonstrate this tragic oversight, Feynman dropped a sample of the O-ring rubber in a glass of ice water. The rubber grew rigid in the glass, proving Feynman’s point. “I believe that has some ...

Forty years after the space shuttle Challenger disintegrated shortly after liftoff, the disaster remains one of the most consequential tragedies in U.S. spaceflight history.

The 40th anniversary of the Space Shuttle Challenger disaster comes as NASA prepares for its next major step in human spaceflight. The Artemis II mission, which will send four astronauts around the ...

Lost that fateful day were Commander Francis Richard Scobee, pilot Michael Smith, mission specialists Judith Resnik, Ronald McNair and Ellison Onizuka, payload specialist Gregory Bruce Jarvis, and ...

Forty years after the Challenger disaster, the tragedy is remembered not only for the seven lives lost, but for the engineer ...

In remembrance of the 40th anniversary of the Space Shuttle Challenger disaster, West Kentucky Community and Technical College’s Challenger Learning Center hosted a virtual discussion on Wednesday for ...

Forty years ago, Americans were shocked when the space shuttle Challenger exploded 73 seconds after it launched on a chilly ...

Cold temperatures inhibited the space shuttle Challenger’s infrastructure from working properly. NASA has set potential weather conditions that would stop Artemis II from launching as scheduled.

NASA's space shuttle Challenger exploded and broke apart Jan. 28, 1986, in the sky over East-Central Florida, killing the seven astronauts on board.

Four decades after Challenger, the disaster’s lessons continue to guide how humanity explores space responsibly.

Forty years on, the Challenger disaster remains a case study in what happens when organizations fail to allow for dissent and ...