Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all 7 crew members. Among the seven crew members were 5 NASA astronauts, as well as a payload specialist ...

Fifteen years ago today, the roar of engines and a pillar of fire lit up the Florida sky as Space Shuttle Discovery began its final journey into space.

The space shuttle is the “world’s first reusable spacecraft,” launching like a rocket, orbiting like a spacecraft and landing like a plane. Space shuttles could carry satellites, space probes, and ...

Add Yahoo as a preferred source to see more of our stories on Google. Forty years ago, the world watched in horror as NASA's space shuttle Challenger exploded mid-air, killing all seven crew members ...

Add Yahoo as a preferred source to see more of our stories on Google. Forty years ago, the world watched in horror as NASA's space shuttle Challenger exploded mid-air over Florida, killing all seven ...