Topic > volcanism

American Museum of Natural History

American Museum of Natural History
Around 66 million years ago, all non-avian dinosaurs went extinct. Was the culprit a 6-mile wide asteroid that collided with Earth? Or did other factors contribute to the dinosaurs’ die-off? Paleontologist Aki Watanabe looks at other theories for why dinosaur populations declined during this famous mass extinction.
20 May 2019 | 23 Views