Wolves are found in many places around the world, but none are bigger than the ones found in the northern parts of North America.

For thousands of years, wolves occupied a range of North American habitats stretching from Arctic tundra to deserts. Their numbers were drastically reduced by hunting and habitat loss, and it has ...

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 ...

PHOENIX — Conservationists and animal lovers have something good to howl about. Arizona and New Mexico wildlife agencies recently reported that the population of endangered Mexican gray wolves grew by ...