Scientists have found evidence that a 300-million-year-old sea creature previously thought to be the world's oldest octopus ...

Alien creatures may feel like pure fiction, but some of their most disturbing traits already exist in nature. Parasitic lifeforms, genetic manipulation, and extreme survival strategies can be found on ...

Discover 25 bizarre creatures you never knew roamed the Earth! From ancient sea monsters to modern deep-sea oddities, explore ...

The golden poison dart frog may be tiny, but it has earned a formidable reputation in the animal kingdom. Native to a small ...

Researchers identified 24 new creatures and an entire superfamily of species in the Pacific, all while NOAA moves to ...

Before zombies shambled about, ghoulishly feasting on the flesh of those too slow to flee, aliens from outer space ruled ...

Lazarus taxa, where a species is declared extinct but later learned to be alive and kicking, is the reason people think the ...

Discover 15 endangered species that haven't changed since the age of dinosaurs. See the rare photos of nature's survivors.

A humble mollusk can live to 507. The oldest Greenland sharks navigate deep, dark Arctic waters for longer than America has existed. And the wrinkly, cancer-resistant naked mole rat can live well into ...