Press A 395-meter rock core acts as a clock to rewrite the Early Triassic timeline World’s End at World’s End: WCU Professor speaks on Antarctic extinction research How a Mass Extinction Driven by Ancient Volcanoes Led to the Age of the Dinosaurs Ancient Oxygen Spike Coincided with Massive Global Extinction How life (barely) survived Earth’s greatest extinction event UW research backs up ongoing efforts to protect the enigmatic Nautilus Toxic and oxygen-starved oceans caused mass extinction 200 million years ago Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like Loading...