Learn more about a time period marked by ... of evolution ever known. The Cambrian Explosion saw an incredible diversity of life emerge, including many major animal groups alive today.

All animal evolution for ... Life was flourishing long before the Cambrian "explosion". The question of how so many immense changes occurred in such a short time is one that stirs scientists.

This daily feast-and-famine cycle in oxygen availability created an intense physiological challenge for early animals, ...

Paleontologists at the Royal Ontario Museum (ROM) uncovered the remains of a massive new fossil species that belonged to an extinct animal group. This animal was in existence around half a billion ...

Some of the best information about early animals comes from fossils dating back to the Cambrian period, which started around 541 million years ago. During this time, Earth experienced a burst of ...

Animals living about 500 million years ago spent time on mudflats that were periodically exposed to the air. The finding suggests that some of the earliest animals were able to survive outside of ...

visitors can follow fossil evidence tracing the evolution of life during the Cambrian period — the first geological period of the Paleozoic era — which lasted from 541 million to 485 million ...

All animal evolution for ... Life was flourishing long before the Cambrian "explosion". The question of how so many immense changes occurred in such a short time is one that stirs scientists.