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

While sexual reproduction is the predominant strategy among animals, some species have evolved the ability to reproduce asexually ...

Archaeologists in Lithuania recently uncovered an unusual animal tooth pendant with mysterious engravings. The carved tooth — which dates back thousands of years — was found during the reexamination ...

Scientists reveal a never-before-seen species of leopard-size apex predator that lived in lush forest 30 million years ago.

Did you know that some animals never experience aging the way humans do? From the immortal jellyfish that resets its life ...

For the first time ever, scientists have discovered an animal that can survive without breathing! Unlike every known creature ...

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.

A rare discovery of a nearly complete skull in the Egyptian desert has led scientists to the “dream” revelation of a new ...