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

At first glance, this mammal looks like a horse gone terribly wrong. But, in reality, Chalicotherium is far from a botched ...

Scientists from the California Academy of Sciences described 72 new species last year, from elegant birds to strange sea ...

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

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 ...

(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 ...

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 ...

Two wombs, a forked penis, and giving birth through the nose. These are just a few of the bizarre stories circulating about ...

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 ...