For nearly 30 million years, a 2,000-pound beast known as the entelodont ruled a sweeping empire from Mongolia to what is now ...

Microsoft and our third-party vendors use cookies to store and access information such as unique IDs to deliver, maintain and improve our services and ads. If you agree, MSN and Microsoft Bing ...

Here are just a few groups of ancient animals that live on: And, here are the animals that get my vote for “most prehistoric-looking ... of hoofed mammals still in existence today.

Scientists identified the tiny species of cat from a fossilized jawbone, which could date back as far as 300,000 years ago.

CELINA - Though dinosaurs are the most notable of the prehistoric animals, smaller mammals and fish walked and swam in Ohio, ...