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

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 discovery of the Burgess Shale fossils, high on a mountainside in the Canadian Rockies, is shrouded in legend. It was late August 1909, and an expedition led by the Smithsonian’s longtime ...

A 444 million-year-old arthropod fossil, discovered 25 years ago, has been identified. The fossil, named Keurbos susanae, was ...

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

The millions-year-old specimen discovered by a fossil enthusiast on the Gaviota Coast may be a never-before-found genus or ...

A discovery made over half a century ago in Antelope Springs, Utah, continues to raise eyebrows in the scientific community.

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

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

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

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

A new species of fossil from 444 million years ago that has perfectly preserved insides has been affectionately named "Sue" after its discoverer's mom. The result of 25 years of work by a ...