The bond between humans and dogs goes back thousands of years. Scientists are now studying ancient dog DNA to find out how it ...

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 ...

Given the choice between a wolf and a dog for a companion, you might be more inclined to choose a floppy-eared mutt. For what it’s worth, that’s probably the right choice—as long as you’re human.

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 ...