Twelve giant species once roamed Ice Age North America, from mammoths and mastodons to saber-toothed cats, dire wolves, and ...

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, ...

Across North America, nine iconic species are fighting for survival in a rapidly shrinking world. From the red wolf in ...

While 100,000 drivers barrel down Interstate 25 in Colorado each day, moose, mountain lions, elk, deer, bears and pronghorn are happily hoofing right over their heads. The Greenland Wildlife Overpass, ...

On Saturday we showcased the extraordinary speed of North American pronghorn, with footage that showed the animals easily outrunning wolves in Yellowstone National Park. The footage was captured in ...

Largely outshone by fossils of horses, the earliest camels are getting another look from scientists determined to sort out the relationships and adaptations of these “absolutely bonkers” herbivores ...

In the relationship between humans and raccoons, the black-masked mammals have played many roles Samuel I. Zeveloff The raccoon has long held our fascination, admiration, and even our disdain. Perhaps ...