A fifth-generation rancher in northern Colorado says his nine-year-old dog was killed earlier this month in what he believes ...

Modern wolves and dogs both descend from an ancient wolf population that lived alongside woolly mammoths and cave bears. Iza Lyson/500px Prime via Getty Images Dogs were the first of any species that ...

When scientists compared the DNA of thousands of dogs and wolves, they found the two species were not as separate as once thought. Nearly every dog, from Chihuahuas to huskies, carries traces of wolf ...

Researchers studying thousands of canine genomes discovered that wolf DNA is still present in most dog breeds. This ancient genetic influence shows up in traits like body size, behavior, and ...

Add Yahoo as a preferred source to see more of our stories on Google. Remains on a small island in the Baltic Sea suggest that humans kept and cared for wolves for thousands of years before they ...

The aggressive behaviour prompted Parks Canada to expand its dog prohibition from Willowbrae Trail to Green Point Rocks.

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 ...

Both the Czechoslovakian wolfdog and the chihuahua have some recent wolf DNA, a new study suggests. cynoclub via Getty Images If you’ve ever joked that your lap dog was ferocious or your furry friend ...

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," ...

(THE CONVERSATION) 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 ...

The gray wolf, also called the timber wolf, is the largest member of the canine family with fur ranging from gray to brown, black or white. Smithsonian's National Zoo and Conservation Biology ...