New research suggests crocodiles descended from warm-blooded, active archosaurs rather than cold-blooded ancestors. Fossil evidence from 81 species indicates both crocodile and dinosaur-bird lineages had high metabolic rates before crocodiles evolved cold-blooded metabolisms around 66 million years ago
Scientists documented 16,600 theropod dinosaur footprints in Toro Toro, Bolivia, the largest collection worldwide. Tracks reveal behavior, herd dynamics, and swimming attempts, while human activity threatens preservation. Research continues to uncover insights into dinosaurs’ lives during the late Cretaceous
A team from the University of Texas at Austin, the US, discovered the fossil, which is nearly 70 million years old and has a nearly complete skull a rare occurrence in the fossil record that allowed