29, 1988, when Discovery lifted off from the space center. Seventeen years after the Challenger disaster, another shuttle and its crew were lost in the skies above America: The shuttle Columbia ...

After working to improve the booster design and creating new management practices to improve safety, NASA relaunched shuttle flights on Sept. 29, 1988, when Discovery lifted off from the space center.

Most people will never forget where they were when the Space Shuttle Challenger exploded 73 seconds after liftoff on January 28, 1986. Today marks the 39th anniversary of that tragic event, which took ...

On this date, Jan. 28, 1986, space shuttle Challenger exploded just 73 seconds after liftoff from Kennedy Space Center, killing all seven crew members. Two O-rings in the right solid rocket booster ...