Did you know Native Americans once shared the land with some truly wild creatures that are now extinct? 🦣 From woolly mammoths to saber-toothed cats, these animals roamed North America thousands of ...

Sloth in prison -- The Great Basin now and then -- A zoologically impoverished world -- Dating an ass -- A stable of ground sloths -- Extinct mammals, dangerous plants, and the early peoples of the ...

At least 35,765 species are threatened with extinction. An update to the International Union for Conservation of Nature's Red List of Threatened Species has declared 31 animal and plant species ...

The extinction of the Pleistocene megafauna may be people’s fault after all, according to a recent study.

Fossil remains of a large, now-extinct bird species have been discovered in Australia's Boodjamulla National Park. The ground-dwelling species—Menura tyawanoides—is an ancient ancestor of Australia's ...