Modern Snakes Evolved From Tough Survivors of the Dinosaur-Killing Asteroid

A massive asteroid slammed into Earth's atmosphere 66 million years ago, obliterating non-avian dinosaurs. A new study has pinpointed what snakes were doing during the Cretaceous-Paleogene (K-Pg) mass extinction. Only a few of the asteroid-surviving snakes appear to have evolved into today's snake species.