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 ...

A striking new fossil from southern Brazil is offering a clearer view of how crocodile-line archosaurs evolved long before dinosaurs became dominant. The species, named Tainrakuasuchus bellator, comes ...

Roughly 425 million years ago, in the warm seas over what is now southern China, there lived a metre-long bony fish with jaws ...

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 ...