It hasn't been spotted in the Atlantic Forest for over 100 years. Hidden trail cameras capture footage of South America's ...

From woolly mammoths to giant sloths, via some lesser-known ice-age beasts like 'killer koalas', the visuals in this ...

Over a million species of animals and plants are now hanging by a thread, more than ever before in human history, says the International Science-Policy Platform on Biodiversity and Ecosystem Services ...

MELBOURNE, Australia -- Almost 100 years after its extinction, the Tasmanian tiger may live once again. Scientists want to resurrect the striped carnivorous marsupial, officially known as a thylacine, ...

Although the wooly mammoth is something out of the Natural History Museum, an American biotechnology company is currently attempting to de-extinct animals once thought lost to time. Colossal ...

In the last ten years, at least 15 species have officially checked out, never to be seen again. It's ironic to think how these creatures once roamed the planet with us, but now, they're just part of ...

A fish species thought to be extinct has suddenly been found in a small pond in Bolivia. The rare seasonal killifish, Moema ...