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 ...

Kandice Seiberling and future NASA astronaut Judy Resnik were great childhood friends during the 1950s at Fairlawn Elementary School in Akron, Ohio — they rode bikes and skated together, and ...

It's now been 40 years since New Hampshire school teacher Christa McAuliffe died when the space shuttle Challenger exploded. All seven on board were killed when Challenger broke apart following ...

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