See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. We have ancestors who are humans, we have ancestors who were small, ...

A Canadian geologist may have found the earliest fossil record of animal life on Earth, according to a report published Wednesday in the journal Nature. Around a billion years ago, a region of ...

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 ...

Ancient animal history is extremely difficult to reconstruct, for a number of reasons. Some of the earliest creatures in existence were soft-bodied and microscopic, leaving behind very little evidence ...

Imagine an animal that began its life centuries before the Roman Empire reached its height and has quietly continued its daily routine ever since. According to recent reports, scientists have ...

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 ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Simple animal life ...

The theory of evolution shows that all of life stems from a single root and that we are related, more or less distantly, to every other living thing on Earth. Our closest ancestors, as Charles Darwin ...

One of the longest-running controversies in evolutionary biology has been, 'What was the oldest branch of the animal family tree?' Was it the sponges, as had long been thought, or was it the delicate ...

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 ...