The pug’s flat face and tight, corkscrew tail didn’t appear by accident; we engineered them. That “baby-faced” muzzle crushes airway space, making heat regulation and simple breathing a struggle.

For thousands of years, humans have selectively bred dogs to fulfill specific roles, ranging from guarding and hunting to herding and companionship. This deliberate shaping of traits has resulted in ...

Many dog breeds are noted for their personalities and behavioral traits, from the distinctive vocalizations of huskies to the herding of border collies. People have worked to identify the genes ...

From village dogs to toy poodles to mastiffs, dogs come in an astonishing array of shapes, colors and sizes. Today there are estimated to be about 700 million dogs living with or around humans. To ...

Kylie M. Cairns receives funding from the Australian Dingo Foundation, the Australia and Pacific Science Foundation, the ACT government and donations from the general public. She is a director of the ...