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

Bob Ebeling was anxious and angry as he drove to work on the morning of Jan. 28, 1986. He kept thinking about the space shuttle Challenger, cradled on a Florida launchpad 2,000 miles away. Ebeling ...

It was the morning of Jan. 28, 1986, when the Space Shuttle Challenger launched from NASA’s Kennedy Space Center in Cape Canaveral, Florida — a moment that would soon become the nation’s worst tragedy ...

The two solid rocket boosters flew in different directions as the external fuel tank became a fireball.(AP: Bruce Weaver / File) Forty years ago, the Challenger space shuttle disintegrated just after ...

Smoke billows in the sky above the Kennedy Space Center in Florida after the explosion of the Space Shuttle Challenger on Jan. 28, 1986. Just one day before the Challenger space shuttle exploded over ...

HOUSTON — Forty years ago, the space shuttle Challenger exploded 73 seconds after liftoff, killing all seven crew members aboard in a tragedy that shocked the nation and reshaped NASA's approach to ...

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 ...

On Jan. 28, 1986, NASA’s 25th space shuttle mission, Challenger, left the launchpad in Cape Canaveral, Florida. Seventy-three seconds into... Lessons and failures from the Challenger space shuttle ...

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.