Forty years ago, Americans were shocked when the space shuttle Challenger exploded 73 seconds after it launched on a chilly ...
Forty years after the Challenger disaster, NPR explores the engineers' last-minute efforts to stop the launch, their decades ...
NASA's space shuttle Challenger exploded and broke apart Jan. 28, 1986, in the sky over East-Central Florida, killing the ...
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 ...