With sharp catlike teeth and a doglike body, ancient carnivores called hyaenodonts were once at the top of the food chain, but the entire lineage was wiped out about 25 million years ago, leaving ...

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 are studying new fossils of the predators that could grow to almost 12 inches long and may have dominated the seas over 500 million years ago. By Laura Baisas Published Jan 3, 2024 2:04 PM ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. With sharp catlike ...