The Goliath birdeater ( Theraphosa blondi) is the world’s largest spider, with a leg span up to 30 cm (12 in). Its hairy, ...

Forget fluffy puppies and purring kittens; some people have a fondness for the truly peculiar when it comes to their animal ...

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 ...

Ocean depths hide sharks with extraordinary features. These creatures, from the Goblin shark's snout to the Thresher shark's ...

At first glance, the blobfish, also known as a flathead sculpin (Psychrolutes phrictus), looks like a pinkish, gelatinous blob with a droopy mouth and a sagging nose. It looks even worse when it is ...

We've discovered a lot of weird animal species in the last decade, but this organism might take the cake for the world's weirdest bacteria. Scientists have finally figured out how this microscopic ...

(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 ...