Ancient animal history is extremely difficult to reconstruct, for a number of reasons. Some of the earliest creatures in ...

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 origin of animals may have happened 350 million years earlier than thought. Fossils that seem to be sponges, one of the first animals to evolve, have been found in rocks from 890 million years ago ...

Recently found primitive sponge fossils from South Australia suggest that animals have been on Earth for at least 650 million years. This discovery pushes back the fossil record for animals by about ...

Field locations in the Northwest Territories of Canada where fossils that may represent the earliest known animal life sponges that lived roughly 890 million years ago were found in mountainous ...

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 ...

Simple animal life may have existed in Earth’s oceans 890 million years ago, according to new research. Recently discovered fossils belonging to ancient sponges might be the earliest known remnants of ...

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WASHINGTON (AP) — A Canadian geologist may have found the earliest fossil record of animal life on Earth, according to a report published Wednesday, July 28 in the journal 'Nature.' Around a billion ...

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 ...