How and why the Cambrian explosion occurred has been the subject of debate ever since fossils of this remarkable event were ...

The discovery of a collection of about 700 fossils known as the Jiangchuan Biota gives scientists a better understanding of ...

A remarkable fossil discovery in southwest China is rewriting the story of how complex animal life began, showing that many key animal groups appeared millions of years earlier than scientists once ...

Add Yahoo as a preferred source to see more of our stories on Google. New research finds chemical fossils from sponges in rocks over 541 million years old, suggesting animals emerged earlier than once ...

The assemblage suggests that the ancestors of some of today's animal groups may have arisen before the famed Cambrian explosion ...

Timeline: The Cambrian Explosion and Animal Diversity Let’s go back 541 million years. Earth was about to throw the most spectacular evolutionary party in history. For billions of years, life had been ...

Animals of the Cambrian period went through one of the greatest evolutionary surges in history, known as the Cambrian Explosion. Animals of the Cambrian period likely began as worms or worm-like ...

A treasure trove of exceptionally preserved early animals from more than half a billion years ago has been discovered in the Grand Canyon, one of the natural world's most iconic sites. The rich fossil ...

A newly discovered fossil site in southwest China, the Jiangchuan Biota, contains about 700 exceptionally preserved specimens dating back 539–554 million years. The find includes early bilaterians and ...

Collection of fossils includes Ediacaran, Cambrian species, suggesting a transition. If, as the Jiangchuan Biota suggest, the Ediacaran gently eased into the Cambrian, then why has there appeared to ...

A team of scientists digging up some of the Earth’s oldest rocks has uncovered new chemical evidence that Earth’s first animals were likely ancestors of the modern sea sponge. The discovery relies on ...