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 ...

Every family dog carries a long evolutionary story in its cells, one that traces back to gray wolves even if the animal on your couch looks more like a teddy bear than a predator. When people send off ...

Three large dogs found roaming the streets of a Lancashire town the day before Halloween have been confirmed to be wolf-dogs after a rescue centre tested their DNA. The dogs were found abandoned in ...

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 ...

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 ...