When many mammals are sleeping during the winter, American beavers are actively courting, mating, and rearing offspring.

Long before humans walked the Earth, the skies of South America were ruled by a colossal bird. Argentavis magnificens, one of ...

When people think of powerful land animals, they usually picture elephants or hippos. But wild hogs and boars are some of the most adaptable and resilient large mammals on Earth. With strong bites, ...

The Chinese giant salamander is the largest amphibian on Earth, capable of reaching lengths comparable to a child and living ...

A stamp celebrating America's 250th anniversary will feature the 1923 engraving of a Montana bison imposed over an image of a ...

A paleontologist has uncovered a huge mammoth bone dating back to the Ice Age in a rare discovery in northwest Missouri.

A prehistoric discovery in northwest Missouri may be one of the rarest finds in the Midwest; a local paleontologist uncovered ...

New research has revealed that women and children were deliberately targeted in one of the largest prehistoric mass killings discovered in Europe. Archaeological investigations at the Gomolava burial ...