"This suggests that dog genomes can 'tolerate' wolf DNA up to an unknown level and still remain the dogs we know and love," Lin added. Lin's new study explored the genomes of more ...

Most pet dogs carry a little wolf inside them; tiny snippets of wolf DNA that slipped into dog genomes after domestication. A ...

The two subspecies split about 20,000 years ago. But since then, they may have interbred more often than Smithsonian ...

Dogs and wolves living today derive from a shared ancient wolf population that lived alongside woolly mammoths and cave bears ...

A new study has shown that almost two thirds of modern dog breeds carry traces of wolf DNA, which could influence their size, ...

Many dog owners may not be surprised to learn that most dogs still carry some wolf DNA in their genomes. Domestication 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 U.S. scientists, who were surprised to ...

Animal rescues often emphasize spaying and neutering your dogs, especially amid a massive overflow of dogs and puppies in shelters across the United States. When female dogs are in heat, they attract ...

Most modern dogs have wolf DNA from relatively recent interbreeding. Here's which breeds are the most and least 'wolfish.' Most modern dog breeds have small amounts of wolf ancestry from long after ...

Animal care officials hope new rules will put an end to the breeding of wolf-dog hybrids in Pima County. They say the animals inhabit an impossible limbo: too wild to live among humans and too ...

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 ...

The data showed that a dog with a similar weight to a wolf had a brain volume about three-quarters the size of the wolf’s.