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, killing all seven crew members ...

Add Yahoo as a preferred source to see more of our stories on Google. This year marks the 40th anniversary of the Challenger explosion, which occurred 73 seconds after liftoff on Jan. 28, 1986, ...

AKRON, Ohio — This week marks 40 years since the Space Shuttle Challenger disaster, a tragedy that stunned the nation, halted America’s space program, and forever changed the lives of families, ...

On February 1, 2003, the space shuttle Columbia fell apart as it returned to Earth after spending more than two weeks in space. The accident instantly killed all seven astronauts on board. This was ...

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 ...

Forty years to the day since the Space Shuttle Challenger disaster, a former astronaut and teacher recounted watching the launch as a child and reflected on why she still chose to fly years later in a ...

Forty years after the Challenger disaster, NPR explores the engineers' last-minute efforts to stop the launch, their decades of guilt and the vital lessons that remain critical for NASA today.

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 ...

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 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 ...

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 ...