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 ring ...

In some circles, Arkansas is known for its sharks. Their fossilized remains are embedded in the Fayetteville Shale, which was once a muddy sea floor. These well-preserved fossils prompted one ...

(CNN) — The oldest examples of swimming jellyfish, which lived in Earth’s oceans 505 million years ago, have been discovered high within the Canadian Rockies. Researchers found 182 fossils encased ...

Fossils of any type of jellyfish are extremely rare, according to the study. The new study helps underscore the Cambrian period as a critical time for jellyfish evolution. Jellyfish and their ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...