It was likely a "hypercarnivore," scientists say — a carnivore with a diet of more than 70% meat. Related: Mysterious ...

Some were the size of a dog. Others were as large as polar bears. A newly-discovered fossil of the ferocious hyaenodont is helping scientists understand a little bit more about the mysterious ...

Scientists have discovered a nearly complete skull of a Hyaenodonta, a hypercarnivore that that lived during the Oligocene Epoch some 20 million years ago. Scientifically known as Bastetodon syrtos, ...

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 ...

Not knowing exactly when regular meat consumption became part of our ancestors’ diets is a gap in our understanding of human ...

Bearing sharp teeth and powerful jaw muscles, suggesting a strong bite, the newly-identified "Bastetodon" was a leopard-sized "fearsome" mammal. It would have been at the top of all carnivores and ...