Crocodiles have ruled rivers and wetlands for over 200 million years, but a handful of animals push back hard enough to win.

The first four-legged vertebrates did not grow up like tadpoles after all. That idea has shaped the story of life on land for ...

Long before mammals dominated the land and even before the most famous dinosaurs appeared, Earth was home to a wide variety of powerful predators. While dinosaurs often get most of the attention when ...

A study examining fossil evidence shows that large land predators were already hunting big plant-eating animals more than 280 million years ago. University of Toronto Mississauga researchers Jordan M.