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 ...

Fossils of a tiny sea creature that lived 525 million years ago have preserved something paleontologists rarely find: a brain ...

Add Yahoo as a preferred source to see more of our stories on Google. The fossil of the Cambrian Period marine arthropod Fuxianhuiid, with gut preserved, discovered in Hunan province in southern China ...

Half a billion years ago, a shallow sea in what is now Siberia teemed with creatures that look more like science fiction than prehistory. Locked in that ancient seabed, scientists have now identified ...

The Cambrian period wasn’t just a chapter in Earth’s history – it was the plot twist that changed everything. What New Research Reveals About Cambrian Sociality Think again about the idea of ancient ...

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 ...

Jan 28 (Reuters) - Scientists have unearthed in southern China fossils of a multitude of marine creatures dating to more than a half billion years ago, showing a deep-water ecosystem thriving in the ...