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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Chihuahuas have about 0.2 percent wolf ancestry, according to a new study. While that chihuahua might seem about as similar to a ...

Add Yahoo as a preferred source to see more of our stories on Google. Those tiny, fluffy dogs walking down the street may look cute but beware — they probably have some wolf in them. That is the ...

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 US scientists, who were surprised to find ...

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, ...

Your pet dog -- and every other dog in the world -- most likely descended from a single population of wolves that lived 20,000 to 40,000 years ago, according to a new study in the journal Nature ...

Parsifal is a feral dog from southern Italy being brought back into human society. My fellow Psychology Today blogger Marc Bekoff photographed him in Turin and calls him "one of the most amazing dogs" ...

Wolf-dog hybrids are bred by crossing domestic dogs with wolves, sometimes just a few generations back. They carry physical traits and instincts that set them far apart from standard breeds. These ...

An important difference between dogs and wolves in how they relate to humans has been demonstrated to be the result of genetics rather than life experience. Jason Goldman, in "The Thoughtful Animal," ...

Brian Hare began studying dog intelligence as an undergraduate at Emory University in the 1990s, after realizing that Oreo, his Labrador retriever, had a remarkable ability. Unlike other animals, even ...