MIT researchers traced chemical fossils in ancient rocks back to the ancestors of today’s demosponges. A team of geochemists ...

The newly discovered fossil records suggest that mold-like single-cell organisms "set the stage" for the animal kingdom to evolve, the researchers wrote in a new report, published in the journal ...

An artist’s impression depicts Kryoryctes at Dinosaur Cove in Australia. New research supports the hypothesis that Kryoryctes is a common ancestor of both the platypus and echidna. - Peter Schouten ...

In an incredible discovery, scientists have uncovered what they believe is the oldest animal ever found on Earth. Known as ...

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

As a result, a large number of people across Madagascar are highly dependent on the island’s ecosystems for their livelihoods — for their survival — and those ecosystems are starting to fail, partly ...

(CNN) — The story of two of the strangest animals on the planet just got a little stranger, thanks to clues revealed by a lone fossil specimen that scientists now say represents a long-extinct ...