NASA's space shuttle Challenger completed 10 missions before it broke apart during a launch in 1986, killing seven astronauts.

As if flying commercial planes wasn't stressful enough already, airlines are facing major safety issues because of SpaceX rocket explosions.

A June 18 testing explosion laid bare concerns about minimal regulatory oversight of Elon Musk's commercial space business in Starbase.

Because a teacher was going to space, millions of schoolchildren watched the Challenger lift off on Jan. 28, 1986. It exploded 73 seconds later.

Instead, high-energy radiation and electromagnetic pulses dominate, posing serious risks to satellites, spacecraft, and technology.