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 ...

Dogs have long been known to have smaller brains than the wolves they descended from. But when they started to shrink has ...

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 ...

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 ...

The dogs we know and love today are members of our families, but it took thousands of years for them to settle into that role ...

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 ...

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" ...