That isn’t usually supposed to happen.

Dogs were the first of any species that people domesticated, and they have been a constant part of human life for millennia. Domesticated species are the plants and animals that have evolved to live ...

Scientists have never been certain about how exactly wolves evolved into domesticated dogs, but a new study has just advanced ...

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 ...

New analysis of the remains of two 'puppies' dating back more than 14,000 years ago has shown that they are most likely wolves, and not related to domestic dogs, as previously suggested. The genetic ...

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 ...

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 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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Modern wolves and dogs both descend from an ancient wolf population that lived alongside woolly mammoths and cave bears. Iza Lyson ...