A new study published in Proceedings of the National Academy of Sciences has uncovered that two-thirds of dog breeds have detectable wolf DNA, from chihuahuas to Arctic sled dogs. Studies on wolves ...

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 ...

A team of researchers from the American Museum of Natural History and the Smithsonian National Museum of Natural History analyzed more than 2,700 genomes of dogs, wolves, and other canids from public ...

Your dog might sleep under a weighted blanket and bark at a leaf, but genetically, they’re carrying a surprising amount of wolf. A new study published in PNAS dug through nearly 2,700 dog and wolf ...

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 ...

Although wolf-canine interbreeding has been considered extremely rare, the latest research shows that many present-day canines carry a small amount of wolf genes. A surprising study reveals that there ...

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 remarkable surge in genetic technology has now allowed us to look at dogs and dog breeds in a whole new way. We can not only determine the wild canine ancestral species from which our dogs were ...

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 ...