Unfortunately, there have been a number of horrific disasters of the space program. Between the explosions of the Challenge and Columbia space shuttles and the tragic deaths of the Apollo 1 astronauts in America, and the explosion of the Vostok-2M rocket and the deaths of the Soyuz 11 cosmonauts for the USSR, history’s worst space disasters have left a black mark on the space program. WatchMojo counts down ten of the most devastating space flight disasters ever.

One of the most heartbreaking moments in American space travel came on January 28, 1986 when the Challenger Space Shuttle broke apart only 73 seconds into its launch. http://www.WatchMojo.com learns more about the events that led to the Challenger disaster.

Space travel has entered a new age... with SpaceX and NASA leading the way! in this video, Unveiled compares and contrasts one of the most important aspects to any space flight; the spacesuit!