The dog (Canis familiaris or Canis lupus familiaris) is a domesticated descendant of wolves. Also called the domestic dog, it was selectively bred during the Late Pleistocene by hunter-gatherers. Dogs and …

As humans became more sophisticated, so did their dogs. Eventually, there emerged specific breeds of dogs, custom-bred to suit the breeders’ local needs and circumstances.

Browse through our list of dog breeds, and find the best dog for you.

Mar 3, 2026 · What is a dog? A dog is a domesticated mammal of the family Canidae and the order Carnivora. Its scientific name is Canis lupus familiaris. Dogs are a subspecies of the gray wolf, and …

All types of dogs are in the family Canidae, the dog-like carnivorans or canids, while the genus Canis means “dog” and includes wolves, dogs, coyotes, and jackals.

Sep 27, 2025 · Whether you’re learning about your own fur baby or trying to figure out which dog breeds would be best for you and your family, we’ve got the information about all of the popular (and not so …

All dogs descend from a species of wolf, but not the gray wolf (Canis lupus), like many people assume. In fact, DNA evidence suggests that the now-extinct wolf ancestor to modern dogs was...

Find out which dog breed is the right fit for you and your home with Petfinder.

Dogs were domesticated from wolves around 15,000 years ago. New evidence suggests that dogs were first domesticated in East Asia, possibly China. Over time, the dog has developed into hundreds of …

Find cats & dogs for adoption today! Through the Petco Foundation, we have helped over 5 million pets find new homes all across the country. Discover your next companion online and adopt in a Petco …