Dear reader, a recent encounter with a wolf dog was surprising and educational. Wolf dogs are huge in comparison to average big dogs. A wolf dog is not a breed but has some wolf (Canis lupus) DNA and ...

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 ...

Researchers studying thousands of canine genomes discovered that wolf DNA is still present in most dog breeds. This ancient genetic influence shows up in traits like body size, behavior, and ...

New studies of canine genetics shed light on the diversity of dogs and our longstanding, still-evolving relationship to them. Tasha, the O-Gene.Credit...PBH Images, via Alamy Supported by By Emily ...