How many shuttle disasters have there been?

Answer 1

2

Answer 2

There have been two space shuttle disasters in history. The first was the Challenger disaster in 1986, where the shuttle broke apart 73 seconds after liftoff, resulting in the death of all seven crew members. The second was the Columbia disaster in 2003, where the shuttle disintegrated upon re-entry into Earth's atmosphere, also resulting in the loss of all seven crew members.