All animal evolution for the last half billion years has come from tinkering with these Cambrian body plans. Then, between about 570 and 530 million years ago, another burst of diversification ...

Learn more about a time period marked by an intense burst of evolution. 3 min read The Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known.

This animal was in existence around half a billion years ago in the Cambrian rocks from Kootenay National Park in the Canadian Rockies. The findings were announced through a study that was ...

"Sedimentary rocks are hard to date" said Crossey "but ... students and researchers to reach deeper understanding of the ...

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 ...