Forty years ago, Space Shuttle Challenger disintegrated 73 seconds into its flight, killing its crew of seven and exposing the management culture and decision-making process that led NASA to launch on ...

At 11:38 AM local time, everything looked normal as Mission Control told Scobee “Challenger, go with throttle up.” However, just 73 seconds after liftoff, at an altitude of around 46,000 feet, or ...

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 ...