This browser does not support the Video element. Seven astronauts were killed in the 1986 space shuttle Challenger disaster. Because a teacher was aboard, millions of schoolchildren watched the event ...

The catastrophic loss of the Space Shuttle Challenger on Jan. 28, 1986, stands as a haunting reminder of the immense risks and complexities involved in humanity's exploration of space. This event, ...

The Challenger space shuttle exploded shortly after liftoff, killing seven people. The disaster took place decades ago and was not caused by a virus. Nonetheless, it holds lessons for how we can make ...

The 1986 Challenger space shuttle accident was the first fatal incident involving an American spacecraft during its mission. A Florida State University professor views the tragedy as a learning ...

CAPE CANAVERAL, Florida -- Families of the astronauts lost in the space shuttle Challenger accident gathered back at the launch site last Thursday to mark that tragic day 40 years ago. All seven on ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Florida State University history professor Ronald Doel vividly remembers what he describes as the “deeply emotional moment” of the ...