A mysterious rock painting in South Africa’s cave could be the first-ever artwork of an animal that disappeared 250 million years ago. The San people’s “Horned Serpent Panel” features a strange ...

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 ...

Evolution is a continuous, powerful force shaping the natural world around us. As environmental pressures intensify, future animal evolution is likely to produce fascinating and sometimes bizarre new ...

Not every animal gets the luck of the draw when it comes to looks. While some creatures get by with soft fur and wide eyes, others work with extra flaps, strange noses, or skin that looks half-melted.

The ocean is full of some incredibly odd creatures. It feels like the further you go down, the stranger and more alien-like they become. With so many interesting creatures, it makes you wonder, what ...

Some creatures can dramatically alter their internal temperature — a strategy called heterothermy — and outlast storms, ...

To show animals of distant locales to the public in centuries before photography, artists were sometimes enlisted to recreate exotic fauna through secondhand descriptions or some scrap of skin or ...

Add Yahoo as a preferred source to see more of our stories on Google. What are these strange creatures washing up on Texas beaches, and why are they dying? Here's what the experts have to say.

A woman's Ring camera caught video of, what appears to be, a strange creature outside of her Compton, California home. As NBC News' Camila Bernal reports, some people ...