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 ...

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 ...

There are space disasters, and then there is Challenger the one the world watched in real time. With a teacher on board and classrooms tuned in across the country, the launch was meant to symbolize ...