Earth is full of bizarre creatures, with more being discovered each year. As documented in the scientific journal Species ...

Nature's wonders often defy human logic. Animals possess astonishing abilities honed by evolution for survival. Octopuses ...

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 ...

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 ...

Customs and Border Protection (CBP) officers in Chicago have uncovered a series of bizarre and unsettling items in agricultural shipments, including disemboweled goats, giraffe feces and dismembered ...

For years, scientists could only guess when wild animals were asleep. Now, miniaturized versions of sleep lab equipment are revealing the extreme and somewhat quirky ways animals snooze while flying, ...

In February 1966, the Soviet space program launched the dogs Veterok and Ugolyok to beyond the protective Van Allen Belts, which they did to study the prolonged effects of space travel and the ...

The Earth is home to some amazing animals, and many of them are well-known. Everybody knows how quick cheetahs are, how big elephants can grow, and how adorable chipmunks can be. But there are some ...

(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 ...