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 ...

Originally bred as a working dog for hunting and guarding, the Boxer has undergone a transformation in appearance and temperament over the last 100 years. Their strong, muscular build and ...

The profusion of breeds today -- at least 150 -- reflects ... It was thought until very recently that dogs were wild until about 12,000 years ago. But DNA analysis published in 1997 suggests ...

Dogs have been our furry companions for thousands of years, but they didn't always look the way they do today. Many well-known breeds have changed a lot physically in the last century, thanks to ...

Dogs have been our furry companions for thousands of years, but they didn't always look the way they do today. Many well-known breeds have changed a lot physically in the last century, thanks to ...

The AKC first recognized is as a breed in 1908. In 1915, "Dogs of all nations" describes it as a "medium sized dog" weighing just ... just four years before the book this image is from was published.