The role for which a dog was bred—say retrieving birds—is reflected in their brain structure, according to a study of 33 breeds.

The domestication of dogs began around 15,000 years ago, when wolves first started to be domesticated by humans. It is believed that early humans tamed wolves and eventually bred them to create the ...

Dog breeds selected to work in visual contact with humans, such as sheep dogs and gun dogs, are better able to comprehend a pointing gesture than those breeds that usually work without direct ...

Dogs come in all shapes, sizes and breeds, from miniature companion lapdog Pomeranians to the giant mountains of fur that are Newfoundlands — and human breeding has shaped their purpose and traits ...