How animals of the Cambrian period experienced the Cambrian Explosion, which shaped life today and could help researchers ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Trilobites were one ...

At the Roman settlement of A Cibdá de Armea in northwestern Spain, archaeologists uncovered evidence suggesting that ancient Romans adorned their amulets with fossils of extinct marine arthropods, ...

Scientists have uncovered intricately preserved fossils of trilobites that are providing new insights into the extinct invertebrates’ anatomy. The animals had been buried in modern-day Morocco after ...

A fossil bed in the High Atlas Mountains of Morocco is allowing new insights into the anatomies of arthropods that lived a half-billion years ago. By Jack Tamisiea Jack Tamisiea has previously ...

A mysterious, prehistoric marine creature has spilled its guts. For the first time, scientists have unearthed a fossilized trilobite whose final meals were preserved within its digestive system.

The discovery of clasper limbs in a fossil suggests that some species of the ancient arthropods reproduced much like modern horseshoe crabs. By Jack Tamisiea The sturdy, calcite-infused exoskeletons ...

The Burgess Shale in British Columbia is renowned for its exceptional preservation of soft tissues in fossils, including limbs and guts. While trilobites are abundant in the fossil record thanks to ...

CNN — From a deer's elaborate branching antlers to the fiddler crab's oversize claw, the animal kingdom is full of flashy features used in combat to help secure a mate. A team of researchers announced ...