Due to its vast size — stretching from Canada and Greenland in the north, to Mexico in the south — North America contains a vast range of habitats. From land to sea, there are forests, mountains, ...

American pronghorns evolved speed millions of years before cheetahs, helping movement and survival in changing landscapes.

The North American Model of Conservation is what makes the U.S.’s wildlife protection one of the best in the world. It stands ...

Add Yahoo as a preferred source to see more of our stories on Google. On Saturday we showcased the extraordinary speed of North American pronghorn, with footage that showed the animals easily ...

Fifty thousand years ago, North America's landscapes were alive with an astonishing array of enormous creatures. Massive woolly mammoths roamed vast icy plains, while dense forests echoed with the ...