Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all seven crew members. Among the seven crew members were five NASA astronauts, as well as a payload ...

The two solid rocket boosters flew in different directions as the external fuel tank became a fireball.(AP: Bruce Weaver / File) Forty years ago, the Challenger space shuttle disintegrated just after ...

NASA's Artemis II mission, which will test life support systems and other mechanics during a flyby of the moon, has brought the Challenger disaster to the minds of U.S. space fans once again.

If you weren't around in 1986, the significance of the Challenger disaster in the collective memory of your elders may elude you. To bridge the generation gap, I'll try to set the scene for you. How ...