Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all 7 crew members. Among the seven crew members were 5 NASA astronauts, as well as a payload specialist ...

Add Yahoo as a preferred source to see more of our stories on Google. On February 1, 2003, the space shuttle Columbia fell apart as it returned to Earth after spending more than two weeks in space.

Tuesday marks the 39th anniversary of the Space Shuttle Challenger tragedy.The shuttle exploded 73 seconds after takeoff on Jan. 28, 1986.New Hampshire teacher Christa McAuliffe was one of the seven ...

Add Yahoo as a preferred source to see more of our stories on Google. Their eyes were watching. Some knew something was wrong. Others were slow to realize. Soon everyone came to grief. Forty years ago ...

SAN DIEGO (KGTV) - A La Jolla High School teacher who was a finalist for the Teacher in Space program reflects on the 40th anniversary of the Challenger disaster and how the tragedy shaped her mission ...