Add Yahoo as a preferred source to see more of our stories on Google. A rare fossil of Joaquinraptor casali from Patagonia reveals a powerful predator that may have dined on crocodiles. (CREDIT: The ...

Recent research is transforming understanding of Cretaceous life, from predator evolution to ancient ecosystems. One study ...

Discover how iconic eyespots evolved in certain ray and skate species, a defense trait surprisingly common across the animal ...

A fossil from the blustery plains of Patagonia is revising your book on one of the most elusive bands of hunting dinosaurs. The newly discovered dinosaur, Joaquinraptor casali, preyed on the soggy ...