About 66 million years ago, a massive asteroid crashed into Earth near the site of the small town of Chicxulub in what is now Mexico. The impact eradicated roughly 75% of the animal and plant species on Earth, including whole groups like non-avian dinosaurs and ammonites. New research from the Universities of Bath, Bristol, and Cambridge shows that snakes — a major group of predators comprising over 3,700 living species — started to diversify...
