Learn more about the evolution of domesticated dogs from wolf to pug.

The staggering array of modern dog breeds is typically traced to the Victorian era. But half of all canine variation was in place roughly 10,000 years ago, a new study suggests. By Emily Anthes As a ...

Prehistoric wolf remains found on a Baltic island suggest that humans cared for wolves thousands of years before dogs fully emerged, according to a new study. Archaeologists found the remains, dated ...

You don't have to walk by a dog park to know that domestic dogs come in all shapes and sizes. From two-pound Chihuahuas to 150-pound Newfoundlands, chunky Labradors to slender Vizlas, our canine ...