These giant woolly pachyderms were still wandering the North American continent when humans ... It was flightless, but a great swimmer, with black and white markings that resemble penguins.

Adam Boyko, Cornell University In 2009, researchers from Stanford University found that the mutation that causes the black coloring, also known as melanism, first sprung up in North American wolves ...

For decades, conservationists have pushed for changes to U.S. 64, a busy two-lane highway to the popular Outer Banks that ...

Snow White and her pups ... a pulse of life to the north, our story reveals how in the Arctic there are no easy seasons. Food is scarce on the tundra, and the wolves fall on hard times.

This took place not in the remote backcountry of the Rocky Mountains, but in the flat and swampy terrain of eastern North Carolina ... astounding density of large wildlife species: red wolves, deer, ...