by thenewgreen

So even though it seems like we’re on our safe little planet in a silent and still universe, it’s actually more like being in a forest that’s currently calm and peaceful—but where every once in a while, a terrifying bloodthirsty carnivore bursts out of the trees and ravages most of the life here, wiping it from existence. The mass extinction event graph above tells five horror stories from the past when our quiet Earth became the setting for an unspeakable nightmare for everything that lived here at the time. And it’ll happen again—right here, where you sit. The only question is when.