A fifth-generation rancher in northern Colorado says his nine-year-old dog was killed earlier this month in what he believes ...

The aggressive behaviour prompted Parks Canada to expand its dog prohibition from Willowbrae Trail to Green Point Rocks.

How dogs and wolves are genetically linked Dogs evolved from an extinct population of gray wolves under human influences during the late Pleistocene, about 20,000 years ago. Although wolves and dogs ...

Most modern dog breeds have small amounts of wolf ancestry from long after dogs were domesticated, according to a new study. The wolf DNA isn't left over from when dogs and wolves diverged; instead, ...

Prehistoric wolf remains found on a Baltic island suggest that humans cared for wolves thousands of years before dogs fully emerged, according to a new study. Archaeologists found the remains, dated ...

FLAGSTAFF, Ariz. — The endangered Mexican Gray wolf remains an ongoing conservation topic in Arizona, and during a tour by the Society of Environmental Journalists April 24, wolf advocates, wildlife ...

Those tiny, fluffy dogs walking down the street may look cute but beware — they probably have some wolf in them. That is the discovery announced on Monday by U.S. scientists, who were surprised to ...

The gray wolf, also called the timber wolf, is the largest member of the canine family with fur ranging from gray to brown, black or white. Smithsonian's National Zoo and Conservation Biology ...