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

Elaborate life could be much older on Earth than previously thought. A team of researchers has uncovered a fossil site in ...

If you trace the animal family tree back through the fossil record, the trail usually goes cold about 539 million years ago.

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 ...

More than 539 million years ago, soft, clarinet-shaped animals anchored themselves to the seafloor on disc-shaped bases, swaying alongside stalked animals resembling worms and baskets. These ...

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

A newly discovered trove of fossils in southwestern China is shifting the timeline of when complex animals evolved. The diversity and complexity of animal life is thought to have increased rapidly ...

Fossils from China reveal complex animals existed before the Cambrian explosion, reshaping the timeline of early animal ...

Scientists have discovered fossils in China that reveal a crucial transition from simple to complex life on Earth ...