Scientists at MIT have found compelling chemical evidence that Earth’s earliest animals were likely ancient sea sponges.

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 ...

Long before dinosaurs, trilobites, or even jellyfish swam the seas, Earth’s oceans were filled with creatures that looked like squishy tubes or blobs. They had no bones, no shells, and no nervous ...

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 ...