Forty years after the Challenger disaster, NPR explores the engineers' last-minute efforts to stop the launch, their decades ...

Challenger exploded 73 seconds after liftoff while carrying seven people, including "Teacher in Space" participant Christa McAuliffe. Nobody survived the launch on Jan. 28, 1986 from NASA's Kennedy ...

Seven American spacefarers were killed in a tragic event 40 years ago today that has become widely known as the Challenger disaster.

Col. Eileen Collins was the first woman to pilot and command a NASA space shuttle. Collins commanded the first flight after the 2003 Columbia tragedy, which also experienced a foam-shedding issue.

There is long process to get the Space Shuttle into Orbit around the Earth! 📼Video Summary: There is a long process to getting the Space Shuttle ready to launch! If it lands Vandenburg Air Force Base ...