Around half a billion years ago, life on Earth went through a rapid transformation, diversifying into almost all of the major animal groups we see today. How and why the Cambrian explosion occurred ...

The Cambrian is a geologic period of the Paleozoic Era, spanning approximately 539–485 million years ago, characterized by a major diversification of multicellular life known as the Cambrian explosion ...

Everything has its pecking order, and geology is no exception. The cocks of the rocks are the big, swaggering periods of the past that fill books, television programmes and natural-history museums.

New research proposes the Brain-First Hypothesis: the evolution of the brain drove animal diversification during the Cambrian ...

Early animals formed complex ecological communities more than 550 million years ago, setting the evolutionary stage for the Cambrian explosion, according to a new study. Early animals formed complex ...

New Delhi: Scientists have long been puzzled by over a million years of missing geologic record, known as the Great Unconformity. Sedimentary rocks from the Cambrian period, from about 500 million ...

Geoscientists employed current-day stratigraphic, depositional and paleontological models, along with modern technological muscle to provide updated insights of the Cambrian period of the Grand Canyon ...

Nilpena Ediacara National Park in South Australia is well known for its collection of fossils from the Ediacaran period—a geologic timespan that predates the Cambrian explosion. An international team ...