From Pekingese to St. Bernard and greyhound, dogs come in such startling variety it's easy to forget they belong to the same species. The profusion of breeds today -- at least 150 -- reflects ...

Researchers now believe the highland dogs are the original New Guinea singing dog species, which are closely related to the dingos found in nearby Australia. "Assuming these Highland wild dogs are ...

From the domestic breeds to the beautifully wild ones, here’s a look at ten dog breeds and how they originated.

Editor's note: This is part of a series of videos offering an up-close perspective on the animal kingdom. A special 360-degree video camera system was set up in zoos and other facilities to show ...