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 details of how animal life began are a bit murky. Most of the groups familiar today are present in the Cambrian, a period ...

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

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 ...

Opabinia: The Strangest Creature of the Cambrian Opabinia regalis is one of the most bizarre animals ever discovered. Living ...

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

KUNMING — Chinese scientists have discovered well-preserved multicellular animal fossils in Ediacaran strata of eastern Yunnan province, indicating that complex animal communities existed in oceans ...

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 ...

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 ...

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. Subscribe 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 ...