Comparing the dogs of yesteryear with their modern counterparts reveals just how much human influence has shaped their evolution. It's a fascinating journey through time, showing how our ...

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 ...

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 ...

A team of mathematicians and statisticians from the University of Wisconsin-La Crosse, the University of Tennessee and ...

The mitochondrial genome was used because of earlier work by Vilà that showed the nuclear genomes of dogs and wolves to be too similar to study their molecular evolution. On the other hand ...

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

At least 10,000 years ago, Arctic peoples were using selective breeding to create sled dogs, cold-tolerant animals with the stamina to pull heavy loads over long distances. Over time, people bred ...