The natural world is full of animals that seem to defy logic, blurring the line between reality and imagination. Some look ...

Red blood is the exception, not the rule. Evolution has painted it green, purple and white in animals that push physiology ...

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 ...

The animal kingdom has so many stranger-than-fiction animals. From a glowing green sea slug to a lizard with a toad's head, these weird animals are some of the most fascinating creatures in the animal ...

Strange animals found at the bottom of the ocean challenge our current understanding of life, scientists have said. Researchers diving almost 10,000 meters deep into the Pacific Ocean found tube worms ...

A mind-bending optical illusion claims to be able to tell you what's in store for you in 2026 - and it's all based on the ...

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 ...

(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 ...