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The role for which a dog was bred—say retrieving birds—is reflected in their brain structure, according to a study of 33 breeds.

Dogs began diversifying thousands of years earlier than previously believed, with clear differences in size and shape appearing over 11,000 years ago. A massive global analysis of ancient skulls shows ...

Wolves and humans were early competitors that both hunted in packs for large prey, shared ecological niches, and could kill each other. Debate exists over the exact origin of domesticated dogs, but ...

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 ...

It is not farfetched to say that dogs and people were made for each other, although how the partnership between these two vastly different species came about remains an enduring historical mystery. It ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. From their wolf ancestors to today’s sweet, loyal ...