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 ...

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 ...

Learn more about the evolution of domesticated dogs from wolf to pug.

Many dog owners may not be surprised to learn that most dogs still carry some wolf DNA in their genomes. Domestication has changed dogs dramatically from their wolf ancestors, but most do still have ...

Here’s what you’ll learn when you read this story: There are wolves that look like dogs, and dogs that appear suspiciously like wolves. For most, this is just a symptom of the fact that dogs are ...

Researchers have found that modern dog breeds carry significantly larger brains than ancient breeds that remain genetically closer to wolves, a pattern tied to centuries of selective breeding for ...