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 over Florida, killing all seven ...

Forty years ago, the world watched in horror as NASA's space shuttle Challenger exploded mid-air, killing all seven crew members aboard. The disaster occurred at what was then the pinnacle of the U.S.

ROY, Utah — Dave Reynolds was in second grade at Lakeview Elementary in Roy, Utah, on January 28, 1986, when his teacher wheeled in a TV to watch what was supposed to be a historic moment in space ...