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 ...

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 ...

Have you ever wondered what the world looked like millions of years ago? Imagine walking in a place where every rock could ...

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

The new study found the characteristics in Helmetia expansa differed from previous studies. It is said that these species had ...

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

Unlike trilobites, concilitergans lacked calcified exoskeletons, so their remains only fossilized under exceptional conditions—like those in the 508-million-year-old Burgess Shale of Canada ...

For over a century, the Cambrian arthropod Helmetia expansa remained a mystery. Discovered by paleontologist Charles Doolittle Walcott in 1918, it was ...