A study from researchers at Durham University has found that the process of domestication and selective breeding has limited the ability of domestic dogs to use facial expressions to convey effective ...

Humans began selectively breeding dogs around 2,000 years ago, and these genes play a role in your pup's behavior, a new study of 4,000 purebred, mixed-breed and wild dogs finds. When you purchase ...

Dear reader, I recently wondered why pet dogs come in so many uniquely different shapes, sizes, and colors, while cats look so similar to each other. For instance, Great Danes and Chihuahuas are ...