The Cambrian Explosion: For most of the nearly 4 billion years that life has existed on Earth, evolution produced little beyond bacteria, plankton, and multi-celled algae.But beginning about 600 ...

The second was between 524m years and 523m years ago, after the Cambrian had been going for some time. Crucially, these dates match what look, from the fossil record, like two pulses of evolution ...

Changes in environmental conditions at the Precambrian–Cambrian transition (around 542 million years ago) have been suggested as a possible explanation for the apparent rapid increase in ...

And critically, these innovations were all present well before the Cambrian, putting in place the raw ingredients for the explosion of forms that would eventually come about. Nature , 2019. DOI ...

Along the banks of China’s Danshui River lies a treasure trove of fossils that may rival the most famous Cambrian fossil assemblage of all, Canada’s Burgess Shale. The roughly 518-million-year ...

If you liked the Cambrian Explosion, you’ll love the Ordovician Radiation Life went nuts 450 million years ago, when oxygen levels rose in the seas.