Terrifying Ocean Predator Changes Our View of the Worst Mass Extinction in History

252 million years ago, the Earth was in a really bad place. At the boundary of the Permian and Triassic periods, our biosphere experienced its most dramatic mass extinction event (so far), one so utterly complete that it has been solemnly termed the “Great Dying.” Precious little was spared, and it’s generally been…

The Sixth Mass Extinction Will Be Like Nothing In Earth's History

The sixth mass extinction—the one that seven billion humans are doing their darnedest to trigger at this very moment—is shaping up to be like nothing our planet has ever seen. That’s the conclusion of a sweeping new analysis, which compared marine fossil records from Earth’s five previous mass extinction events to…

Carbon Emissions Haven't Been This High Since Dinosaurs Went Extinct

Carbon hasn’t entered our atmosphere this quickly in at least 66 million years—since an asteroid slammed into our planet and wiped out the dinosaurs, or perhaps even earlier. Our addiction to fossil fuels has pushed the planet into a “no-analog” state that’s “likely to result in widespread future extinctions,” an…