Selective breeding has dramatically transformed dogs over the last 100 years, often at the expense of their health. Modern ...

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 ...

This shift in human needs may be influencing the biological and behavioral evolution of domestic dogs. Historically, dogs ...

A recent study using 3D skull analysis found no evidence that dog breeds bred for bite or scent work have specialized skull ...

An curved arrow pointing right. The Science of Dogs blog compared popular dog breeds from the 1915 book "Dogs of All Nations" to their current day counterparts. Produced by Emmanuel Ocbazghi ...

New research has found that when it comes to which breed of dog might be best for a given task, looks can be deceiving.

A new study challenges long-standing beliefs by suggesting that dog skull shape does not determine task performance.

Ray Coppinger, a biologist at Hampshire College and author of Dogs: A Startling New Understanding of Canine Origin, Behavior, and Evolution, says that "natural" breeds occasionally arise.

Since their domestication millennia ago, dogs have been man's best friend, and aside from friendship, centuries of selective ...