Nuking a ‘City Killer’ Asteroid Might Not Be the Worst Idea. Scientists Tested It.

If your concept of eradicating a potential “city killer” asteroid begins and ends with the plot of Armageddon, well, you’re actually not that far off from one proposed method of asteroid obliteration—just without actually putting anyone on the asteroid. Nuking an asteroid to smithereens is such a viable, if completely theoretical, tactic that scientists publishing…