Prehistoric times were pretty strange, to put it lightly, and the same could be said of the species from that period. Here ...

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

Ancient animals such as Coelacanth and Horseshoe Crab are testament to nature’s enduring ability to evolve even with countless environmental changes over time.

Two underwater sea lilies were eaten and regurgitated around 66 million years ago. They were preserved as fossilized vomit.