All dogs descended from the gray wolf. But dogs are so different from wolves that it seems difficult to imagine how one species led to another. How an organism evolves has to do with the selective ...

Dogs owe their cooperative nature to "the wolf within", the study, of cubs raised alongside people, suggests. But in the course of domestication, those that were submissive to humans were selected ...

But for thousands of years after that split, the line between wolf and dog wasn’t quite clear-cut. A recent study shows that long after dogs had spread into Eurasia and the Americas, people ...

The dog, Canis familiaris, is a direct descendent of the gray wolf, Canis lupus: In other words, dogs as we know them are domesticated wolves. Not only their behavior changed; domestic dogs are ...