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 ...

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 ...

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 ...

The tiny, fluffy Chihuahua shuffling past you on the street may be part wolf. According to a new study led by scientists at the American Museum of Natural History and the Smithsonian's National Museum ...

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 ...

This is the adorable moment a little dog looking into an enclosure of arctic wolves in Harbin Polarland in Heilongjiang, China on February 1 plays a game with its ancestral cousins. Trump says he has ...