Imagine drifting through a prehistoric sea more than 500 million years ago. The water teems with bizarre creatures, but none ...

This stunning and unique evolutionary flowering is termed the "Cambrian explosion," taking the name of the geological age in whose early part it occurred. But it was not as rapid as an explosion ...

The Cambrian Explosion saw an incredible diversity of life emerge, including many major animal groups alive today. Among them were the chordates, to which vertebrates (animals with backbones ...

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

Then, about 540 million years ago, something else changed ... dramatically. It was the time of the Cambrian Explosion, an eruption of life when Earth’s very first animals began appearing in the ...

This expansion might have contributed to the subsequent diversification of body plans in the Cambrian explosion. In the evolution of metazoans, sponges diverged first, followed by cnidarians ...

This stunning and unique evolutionary flowering is termed the "Cambrian explosion," taking the name of the geological age in whose early part it occurred. But it was not as rapid as an explosion ...