NASA Challenger Explosion

Challenger disaster remembered 40 years later

What happened to Challenger? Remembering deadly disaster 40 years later

Seven American spacefarers were killed in a tragic event 40 years ago today that has become widely known as the Challenger disaster.

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Challenger disaster remembered 40 years later as NASA prepares for new lunar mission

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Shuttle Challenger remembered at 40th anniversary of NASA disaster

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40 years after Challenger disaster, SC astronaut continues to inspire students

Forty years later, Cheryl McNair remembers the shock of watching the Challenger space shuttle fall to pieces with her husband, astronaut Ronald McNair, onboard.

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I watched the Challenger shuttle disaster from inside Mission Control - 40 years ago today

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Today marks 40th anniversary of Space Shuttle Challenger explosion

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Remembering Challenger: 40 years after the tragic explosion

“Having the first educator, Christa McAuliffe, on that flight, there was a lot of student interest because there were her lessons that she was going to do up in space that the kids could follow along ...

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Challenger disaster 40 years later

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Legacy of teacher who died on Challenger Space Shuttle carries on at Framingham State 40 years after tragedy

NASA's space shuttle Challenger exploded 40 years ago today, killing its 7-person crew. Photos reveal Challenger's legacy.

NASA's space shuttle Challenger completed 10 missions before it broke apart during a launch in 1986, killing seven astronauts.

Remembering the Challenger explosion, 40 years later

On Jan. 28, 1986, the Space Shuttle Challenger exploded 73 seconds after takeoff. All seven crew members on board were killed. The disaster was one of the most significant events in NASA history, watched live by millions of people around the world.

Astronaut Had a Close Call Before His Friends Died in the Challenger Explosion. What He Remembers (Exclusive)

Former astronaut and professor Terry Hart is opening up 40 years later about the friends and colleagues he lost on board the space shuttle Challenger explosion.

How Richard Feynman Found the Root of the Challenger Disaster

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 significance for our problem,” he said at a February 1986 hearing of the Challenger commission.

40 years after Challenger: Lingering guilt and lessons learned

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.