Space shuttle Challenger explosion remembered, 40 years later

The space shuttle Challenger explosion was a defining moment of the 1980s. Whether you were watching on TV or in person, chances are, you remember exactly where you were and how you felt.

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.

Shuttle Challenger remembered at 40th anniversary of NASA disaster

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.
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Save our space shuttle

When Space Shuttle Discovery touched down for the last time at Kennedy Space Center Runway 15 on March 9, 2011, it brought to an end a 27-year career of spaceflight. Discovery flew to space 39 times, spending almost a year of cumulative time in orbit.

Space shuttle Challenger remembered 40 years after explosion

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