That isn’t usually supposed to happen.

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 ...

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 ...

Here’s what you’ll learn when you read this story: Wolves and dogs don’t normally breed in the wild, largely because wolves are so territorial. But an exception has been found. While wild dog-wolf ...