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

A newly identified fossil discovered in the ancient shale of South Africa, has stunned paleontologists with its rare ...

behavior and evolutionary relationships. Helmetia expansa belongs to a rare group of early arthropods called concilitergans, close relatives of trilobites. Unlike trilobites, concilitergans lacked ...

Researchers formally describe Helmetia expansa, offering new insights into its anatomy, behavior and evolutionary relationships. For over a century, the Cambrian arthropod Helmetia expansa ...

Living within about six square miles on the island of Oʻahu, scientists say the bone-collector caterpillar may be one of the ...

A spat between birds at a backyard birdfeeder highlights the sometimes fierce competition for resources that animals face in ...

Apr. 21, 2025 — An international collaboration has published groundbreaking research, shedding light on the most significant increase in complexity in the history of life's evolution on Earth ...

They also updated the evolutionary tree of concilitergans, helping scientists better understand how these early arthropods are related. “This study gives us a much clearer picture of what ...

“We are now sure she was a primitive marine arthropod but her precise evolutionary relationships remain frustratingly ... to compare her to other fossils of the era and so it remains a mystery how she ...

Deep within Oahu's forests lurks the "Bone Collector," a carnivorous caterpillar with a gruesome camouflage strategy. This ...

Like hermit crabs, these caterpillars carry their cases with them as they move before emerging from them as full grown moths.