At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs.

Mosasaurs, giant marine reptiles that existed more than 66 million years ago, lived not only in the sea but also in rivers. This is shown by new research based on analyses of a mosasaur tooth found in ...

A mosasaur tooth has been found at one of the most famous Late Cretaceous fossil sites in the world. That means the famous ...

Giant mosasaurs, once thought to be strictly ocean-dwelling predators, may have spent their final chapter prowling freshwater ...

Until now, these terrifying giant aquatic reptiles with a bulky skull and powerful jaws were thought to be sea-dwelling ...

Learn how chemical clues reveal a mosasaur was hunting in freshwater rivers as the Cretaceous seaway receded.

(Reuters) - About 76 million years ago, a juvenile of one of the largest flying creatures in Earth's history, called Cryodrakon boreas, walked along a riverbank on a lush coastal plain and lowered its ...

Evolution has resulted in the development of both herbivores and carnivores -- but how? What type of food did extinct vertebrates eat? And how can we gain insight into the diets of these creatures? In ...

Scientists in America have unearthed fossils from a number of animals, many of them previously unknown, dating back to the dinosaur era. The newly-found fossils, including those from a pterosaur, ...

Athletic, crocodile-like reptiles with bladed teeth made their last stand in the Caribbean as recently as 4.5 million years ago. New fossils unearthed in the Dominican Republic suggest the reptile ...

So Dilophosaurus is no longer believed to have been venomous; but what about other dinosaurs?  In 2009, a small, feathered ...

Pterosaur's neck bone shows evidence of a croc bite Fossil found at Alberta's Dinosaur Provincial Park Jan 24 (Reuters) - About 76 million years ago, a juvenile of one of the largest flying creatures ...