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 ...

Scientists are tracing back the history of dogs using the oldest genes from the species ever studied ...

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 ...

Scientists can’t paint a picture of exactly what the first dogs looked like, but think they resembled smaller wolves.

The oldest ancient dog genomes on record all come from a population that lived alongside Ice Age hunter-gatherers across ...

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 US scientists, who were surprised to find ...

Two studies published in Nature report that domestic dogs lived alongside Ice Age hunter-gatherers across western Eurasia as ...

Living alongside humans changed both how dogs behave and how they look. Research shows that domestic dogs developed a small ...