Payload specialists in training for STS-51L take a break in shuttle emergency egress training in 1986. Left to right: Gregory Jarvis, Christa McAuliffe and Barbara Morgan. McAuliffe was selected as ...

Leland Melvin said that flying a space shuttle was significantly less nerve-wracking than being racially profiled by the ...

As NASA’s Artemis program advances following its first crewed mission to the moon April 10, former astronaut Bonnie Dunbar ...

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 ...

Forty years ago, the world watched in horror as NASA's space shuttle Challenger exploded mid-air, killing all seven crew members aboard. The disaster occurred at what was then the pinnacle of the U.S.