It doesn't matter if anyone tells him he's not a tough guy, because he believes he is, and he's been practicing his giant wolf howl as if he runs the whole wilderness. Franklin unleashes his massive ...

That isn’t usually supposed to happen.

Chihuahuas have about 0.2 percent wolf ancestry, according to a new study. While that chihuahua might seem about as similar to a wolf as a shrub is to a mighty redwood tree, some small breeds like the ...

Wolves and dogs don’t normally breed in the wild, largely because wolves are so territorial. But an exception has been found. While wild dog-wolf hybrids had previously only been suspected through ...

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 ...