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

Fossils are providing more and more clues about how dinosaurs attracted one another and reproduced, which contributed to ...

Prehistoric animals once roamed — and ruled — planet Earth. Some of them, like the giant sloth or the woolly rhino, were generally gentle. Others, like the saber-toothed tiger and the dire wolves, ...

The field of paleo-inspired robotics is opening up a new way to turn back time and studying prehistoric animals.

A group of fossil collectors have discovered a mass ice age fossil grave buried in Florida's Steinhatchee River.

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

Roughly half a million years ago, a group of armadillo-like mammals, horses, and sloths met their end in a sinkhole in what ...

Riley Black’s new book, When the Earth was Green, uses the latest research to envision the ancient worlds of our favorite prehistoric animals.

Fossilised bones are some of the most tangible evidence of a dinosaur, but they aren't the only way to study these prehistoric animals. Preserved footprints, also known as ichnites, are a type of ...

It was the Pleistocene era in what is now the southern tip of Nevada—when, between 2.5 million to 10,000 years ago, ice ages waxed and waned, wildlife thrived, and the place we know as a scorched, ...

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