Many major groups of animals that have become a mainstay in modern times first appeared during the Cambrian Explosion.

The Cambrian explosion, long hailed as one of the most significant events in the history of life on Earth, has now been ...

Fossils offer a glimpse into Earth's ancient life, revealing the origins and evolution of complex organisms. Discoveries like ...

Recent research suggests that the period prior to the Cambrian explosion saw the gradual evolution of a "genetic tool kit" of genes that govern developmental processes.

Trilobites are perhaps the most well-known creatures that lived during the Cambrian Period.

Palaeontologists are helping resolve the evolution and ecology of Odaraia, a taco-shaped marine animal that lived during the Cambrian period. Fossils reveal Odaraia had mandibles. Palaeontologists ...

New 'Dune'-like Selkirkia worm species rewrites ancient history : Short Wave 500 million years ago, the world was a very different place. During this period of time, known as the Cambrian period ...

During the Cambrian Explosion, all biological “rules” went out the window. The world’s oceans were filled with creatures testing the limits of evolution, caught in different stages of ...

Harvard researchers identified a rare, soft-tissue fossil from western Utah as the oldest tunicate species on record.