It gives new meaning to dog years. Various types of sled dogs have been used by humans across the Arctic for almost 10,000 years, but new research reveals one particular type to be the oldest ...

Learn how thousands of years of living and working with humans have shaped sled dogs' legs. And why stubby limbs are the key ...

From village dogs to toy poodles to mastiffs, dogs come in an astonishing array of shapes, colors and sizes. Today there are estimated to be about 700 million dogs living with or around humans. To ...

People often look to dogs' behavior, especially their facial expressions, for indications of their states of mind. Numerous studies show that this is a popular interpretation strategy. However, modern ...

Dogs aren’t just pets—they’re emotional mirrors and intellectual partners. Over centuries, certain breeds have developed an uncanny ability to solve problems and read human emotions with precision.

About 20,000 years ago, humans domesticated a now-extinct population of gray wolves (Canis lupus). And that’s how Canis lupus familiaris came to be the dog breeds and mutts we know and love today.

Domestication has made cats and dogs more diverse, but also curiously alike – with serious implications for their health and welfare, new research shows. At first glance, Persian cats and pugs don’t ...