The Cambrian Explosion is a landmark moment in the history of life on Earth when many of the major groups of animals first ...

Cambrian Period. Learn more about a time period marked by an intense burst of evolution. ... Among them were the chordates, to which vertebrates (animals with backbones) such as humans belong.

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

Life Surprising fossils suggest early animals survived outside of water. A new look at fossils from the Cambrian Period around 500 million years ago has revealed that some of the earliest animals ...

500 million years ago, the world was a very different place. During this period of time, known as the Cambrian period, basically all life was in the water. The ocean was brimming with animals that ...

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 ...

One of the best known examples of that latter phenomenon is the Cambrian Explosion—the geologic period some 530 million years ago when Earth saw an immense uptick in the complexity of life in ...

The Cambrian Explosion is a landmark moment in the history of life on Earth when many of the major groups of animals first appear in the fossil record. New research, however, suggests that many of ...