Add Yahoo as a preferred source to see more of our stories on Google. At 8.15 a.m. on Jan. 28, 1986, New Hampshire social-studies teacher Christa McAuliffe sat with her six fellow astronauts ahead of ...

The space shuttle Challenger explodes moments after launch on Jan. 28, 1986 from the Kennedy Space Center, killing its seven crewmembers. Challenger: A True Story of Heroism and Disaster on the Edge ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Their eyes were watching. Some knew something was wrong. Others were slow to realize. Soon everyone came to grief. Forty years ago Space Shuttle Challenger climbed into the clear amid blue skies over ...

At 8.15 a.m. on Jan. 28, 1986, New Hampshire social-studies teacher Christa McAuliffe sat with her six fellow astronauts ahead of the launch of the Space Shuttle Challenger from Kennedy Space Center ...

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 ...