For years, a mysterious fossil specimen defied categorization, until one paleontologist made a surprising discovery.

A new species of primitive arthropod dating back 444 million years has been discovered in the Soom Shale, a site north of ...

Paleontologists in England discovered the existence of a new marine species that roamed the Earth before the dinosaurs and ...

The rich fossil repository known as the Burgess Shale was first discovered a century ago. Siobhan Roberts The fossil-hunting expedition began with a lung-busting hike, accompanied by an incessant ...

The researchers found the fossils in the Soom Shale, a site known for producing fossils with well-preserved soft tissues, more than 20 years ago. They had hoped to find additional specimens ...

Focused on Cambrian fossils, the study reanimates a species long trapped in the pages of forgotten paleontology.

For over a century, scientists have been puzzled by a mysterious fossil called Helmetia expansa, an ancient arthropod from ...

This animation created for Evolution: "Great Transformations" depicts creatures whose fossils were found at the Burgess Shale. As alien as these creatures seem, they are also surprisingly familiar.

A complete fossil of a small baleen whale, estimated to be 13.5 to 16.5 million years old, has been excavated by the Santa ...

For over a century, the Cambrian arthropod Helmetia expansa remained a mystery. Discovered by paleontologist Charles ...

Mudstone, shale, and limestone are examples of sedimentary rock likely to contain fossils. As the layers of sediment build up on top of one another, they create a physical timeline. The oldest layers, ...