Cosmic Catastrophes

In the vast realm of outer space, accidents happen all the time. Things bump into each other. Stars blow up. Space rocks smash into planets. Black holes gobble up everything in their path. The sun is burning out. A comet swarm is bearing down. Any of this could change—or even eliminate—life on a planet like Earth.

Countdown to cosmic catastrophes!

From asteroid hit to alien invasion, astronomer Da...