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 ...
CW39 Houston

NASA, families of fallen astronauts mark 40th anniversary of space shuttle Challenger accident

Families of the astronauts lost in the space shuttle Challenger accident gathered back at the launch site Thursday to mark ...
Concord Monitor

‘Part of our human destiny’: The evolution of space exploration from shuttle to SpaceX

NASA's Space Shuttle Program, which ran from 1981 to 2011, was a complex and ambitious project that pushed the boundaries of ...
Space.com

Photos: NASA's Space Shuttle Atlantis on Display at KSC

Walking below the shuttle Atlantis on display, the orbiter's protective heat shield tiles are visible, dinged and scratched from traveling through Earth's atmosphere. A slide in the Space ...