3 min read The Cambrian period, part of the Paleozoic era ... were among the most successful organisms ever to populate Earth. These familiar marine arthropods first arose about 545 million ...

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

It belonged to a more obscure period, inhabited by cryptic ... Scientists until then had believed that the Cambrian explosion was the point when life on Earth opened out, kaboom, like a starburst ...

A mysterious fossilized creature discovered more than a century ago has finally been decoded, offering stunning insights into ...

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 ...

Internal, genetic factors were also crucial. Recent research suggests that the period prior to the Cambrian explosion saw the gradual evolution of a "genetic tool kit" of genes that govern ...

Ever since the Pre-Cambrian (600 million ... the surface temperature on earth would be well below the freezing point of water. Through a million year period, the average amount of carbon dioxide ...

This event is commonly called the "African Humid Period (AHP)". The AHP was a direct result of African monsoonal climate responses to periodic variations in the Earth's orbit around the Sun that ...

New rock and paleomagnetic research give evidence for prolonged heating during the Cambrian-Ordovician tectonic consolidation of West Gondwanaland.

Visitors at the Miraculous Life in the Ancient Oceans: Exhibition of Premium Fossils from the Cambrian ... period of evolutionary boom, according to Liu Lu, assistant researcher of the museum's ...

Visitors at the Miraculous Life in the Ancient Oceans: Exhibition of Premium Fossils from the Cambrian Chengjiang Biota, held at the Natural History Museum of China in Beijing. WANG QIAN/CHINA ...