NASA’s Space Shuttle Challenger lifted off 40 years ago with an unusual crew. In addition to six astronauts, the mission took flight with a teacher on board.

Add Yahoo as a preferred source to see more of our stories on Google. The 40th anniversary of the Space Shuttle Challenger disaster comes as NASA prepares for its next major step in human spaceflight.

Jan. 28, 1986, 7 spacefarers were killed when shuttle Challenger exploded midair after launching from Kennedy Space Center in ...

Editor: On a beautiful January morning in 1986, seven crew members, five men and two women, proudly boarded The Space Shuttle Challenger. We saw the crew for the last time as they walked out to the ...

Seven astronauts were killed in the 1986 space shuttle Challenger disaster. Because a teacher was aboard, millions of schoolchildren watched the event live in school. Forty years later, many of those ...

CU Boulder has renamed Williams Village East residence hall after astronaut and alum Ellison Onizuka, who died in the 1986 Challenger disaster.

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 ...

It's been around since the Chernobyl disaster and the Challenger accident, but its time may be running out. See the latest ...

This week's letter to the editor of the Herald Times Reporter draws parallels between failures in the Challenger explosion ...

Forty years ago today, Americans were stunned, shocked and saddened when the Challenger space shuttle exploded 73 seconds after liftoff on a cold, cloudless day in Florida. A booster leak ignited the ...