Five hundred million years ago, the oceans teemed with trillions of trilobites - a now extinct group of marine arthropods ruling the seas for more than 270 million years. Over 20,000 species have been ...

Researchers studying the 160-million-year-old fossils of a marine arthropod called Dollocaris ingens reveal how surprisingly sophisticated their huge eyes were. These little visual predators had more ...

The Burgess Shale is located in British Columbia and is a site of marine fossils that are 506 million years old. It is celebrated for its “weird wonders,” containing a treasure trove of astonishingly ...

Rare fossils preserving the brains of creatures living more than half a billion years ago shed new light on the evolution of arthropods. Exquisitely preserved fossils left behind by creatures living ...