Fossil and modern wolf teeth show that as winters grow warmer and snow declines, gray wolves are forced to work harder for food.

Gray wolves adapt their diets as a result of climate change, eating harder foods such as bones to extract nutrition during warmer climates, new research has found. The study, led by the University of ...

Over this time, wolves have had to endure numerous changes in the planet’s climate. The cycles of the Ice Ages repeatedly changed their habitat and available prey, providing an insight into how modern ...

A baby bison was napping away from its herd in Yellowstone National Park when a pack of wolves cornered it, and sunk their teeth into its neck, a video shows. Then two bison came charging to its ...

EATONVILLE, Washington (Reuters) - The endangered red wolf, the lone wolf species native only to the United States, is slowly coming back thanks to a breeding and reintroduction program that also ...

On a remote Alaskan island, gray wolves are rewriting the rulebook by hunting sea otters — a behavior few scientists ever expected to see. Researchers are now uncovering how these coastal wolves ...