Wondering about the weirdest animals in the world? We've listed the Top 31 here — including the axolotl, aye-aye, blobfish, ...

Hallucigenia was such an odd animal that palaeontologists reconstructed it upside-down when they first analysed its fossils - ...

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

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

Few have explored the ocean’s deepest depths – but those rare few have shared images of the strangest, most mysterious ...

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 ...

Forget fluffy puppies and purring kittens; some people have a fondness for the truly peculiar when it comes to their animal companions. We’re talking about creatures that'll make you raise an eyebrow ...

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 ...

(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 ...