Forty years ago, the space shuttle Challenger exploded 73 seconds after liftoff. Seven astronauts were killed, including ...
Forty years after the Challenger disaster, NPR explores the engineers' last-minute efforts to stop the launch, their decades ...
This week marks forty years since seven astronauts were killed in the space shuttle Challenger accident in 1986. Families of ...
It was a cold morning in Florida when the last words heard by any of Space Shuttle Challenger’s crew were uttered by pilot Michael Smith. The seven members of mission 51-L, the 25th space shuttle ...
Families of the astronauts lost in the space shuttle Challenger accident gathered back at the launch site Thursday to mark that tragic day 40 years ago. All seven on board ...