Some were the size of a dog. Others were as large as polar bears. A newly-discovered fossil of the ferocious hyaenodont is ...

In the summer of 1821, stone-quarry workers discovered a cave in Kirkdale, Yorkshire, that was littered with the remains of dozens of animal species, including hippos, rhinos, tigers, elephants, and, ...

A spotted hyena has been reported in Egypt for the first time in thousands of years after it ventured far beyond its normal range. The hyena then ate two goats and was swiftly killed by humans in ...

and hyenas. Once the environments and prey began to change, the more specialized, carnivorous hyaenodonts diminished in diversity. Hyaenodonts ultimately went extinct around 25 million years ago.

this predator belonged to the now-extinct group Hyaenodonta, a lineage of formidable hunters that thrived millions of years before modern carnivores such as lions, wolves, and hyenas appeared.

B. syrtos, which boasted razor-sharp teeth and a powerful jaw, belonged to an extinct group of meat-eating mammals called Hyaenodonts. After the dinosaurs went extinct, Hyaenodonts became apex ...