New research shows that the earliest sponges were soft bodied and lacked skeletons, explaining why their oldest fossils are ...

Sponges may be ancient, but their timeline has been murky. New research suggests the earliest sponges were soft and ...

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 ...

DNA analysis reveals a fanged frog scientists thought was one species for nearly 200 years is actually several hidden species ...

Recent research published in Nature has transformed our understanding of animal evolution by revealing that ctenophores, also known as comb jellies, represent the earliest branch of the animal tree of ...

The Cambrian Explosion in which life on Earth underwent massive diversification was likely triggered by eccentricities in Earth’s orbit around our Sun. Or so say the authors of a new paper just ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The story of two of ...

The earliest sponges to live on the earth were soft and skeletonless pioneers - rewriting the story of the origin of animal ...

(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 ...