Different kennel clubs across the globe ... The American Kennel Club categorizes dog breeds into seven groups: The sporting ...

By identifying specific traits — such as size, coat color, and demeanor — and allowing only those animals to mate, we've created at least 167 different "breeds," or groups of dogs with unique ...

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

A new study published in the scientific journal Biology Letters reveals that working dog breeds, such as Siberian ... intellectual abilities. "In other groups [of species] relative brain size ...

Tom Howarth is a Newsweek reporter based in Bristol, U.K. His focus is reporting on nature and science. He covers climate change, biodiversity, extreme weather, zoonotic diseases and more.

Different kennel clubs across the ... What is the most expensive dog? This breed is the costliest. The sporting group consists of breeds that originally worked with hunters to find and retrieve ...