That isn’t usually supposed to happen.

Add Yahoo as a preferred source to see more of our stories on Google. Wolves and dogs don’t normally breed in the wild, largely because wolves are so territorial. But an exception has been found.

Modern wolves and dogs both descend from an ancient wolf population that lived alongside woolly mammoths and cave bears. Iza Lyson/500px Prime via Getty Images Dogs were the first of any species that ...

Wolf-dog hybrids are bred by crossing domestic dogs with wolves, sometimes just a few generations back. They carry physical traits and instincts that set them far apart from standard breeds. These ...

"It all started when my son, who is in his first year at university, observed that our English Cocker Spaniel has floppy ears and wolves don't." The man speaking with me was a casual acquaintance from ...

Amravati: In an extraordinary and rare wildlife development, researchers at the Melghat Tiger Reserve have documented a ...

(THE CONVERSATION) Dogs were the first of any species that people domesticated, and they have been a constant part of human life for millennia. Domesticated species are the plants and animals that ...

The gray wolf, also called the timber wolf, is the largest member of the canine family with fur ranging from gray to brown, black or white. Smithsonian's National Zoo and Conservation Biology ...