33 years ago today, the space shuttle Challenger broke apart 73 seconds into its flight, killing all seven crew members, while millions of people all over the world watched the tragedy live on television. There were no survivors. ---> for powerful stories from any time like HistoryBites | HistoryBites

35 YEARS LATER: On this day in 1986, the Space Shuttle Challenger exploded after liftoff, killing all seven astronauts on board. The Challenger broke apart at 11:39 a.m., falling into the Atlantic Ocean. Investigators would later discover the disaster was caused by the failure of an “O ring” seal in one of the two solid-fuel rockets. As a result of the horrific accident, NASA did not send astronauts into space for more than two years as it redesigned a number of space shuttle features for improv