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

video: The evolutionary innovations of insects and other arthropods are as numerous as they are wondrous, from terrifying fangs and stingers to exquisitely coloured wings and ingenious feats of ...

Surprising new research shows that, contrary to conventional belief, remains of chitin-protein complex–structural materials containing protein and polysaccharide–are present in abundance in fossils of ...

Add Yahoo as a preferred source to see more of our stories on Google. Fossilization is a fickle process. Many fossils are fragmented, scattered (often broken) bones turned slowly to stone over ...

The Cambrian period, often celebrated for the “Cambrian explosion”, marked a pivotal phase in the history of life when early arthropods emerged and rapidly diversified. These organisms not only ...