Wolves and dogs don’t normally breed in the wild, largely because wolves are so territorial. But an exception has been found.

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 ...

EUREKA, Mo. -- A Mexican wolf born this month at a wildlife center in suburban St. Louis is offering new hope for repopulating the endangered species through artificial insemination using frozen sperm ...

The remarkable surge in genetic technology has now allowed us to look at dogs and dog breeds in a whole new way. We can not only determine the wild canine ancestral species from which our dogs were ...