Many modern dogs are variations of former dog breeds that, for various reasons, have gone extinct. These dog breeds, in particular, are some of the most well-known breeds of dog that no longer exist.

Some dog breeds are more popular than others; that's how life has always been, and that is how life will always be. There's no getting around that. Trends change a little, though, and dogs tend to go ...

have you ever heard of a large dog breed from Cuba once used for guarding and catching runaway slaves in the 19th century or dogs that played a crucial role in cooking ensuring meat was evenly roasted ...

Dogs have been in the Americas for more than 10,000 years. They were already domesticated when they came from Eurasia with the first people to reach North America. In the coastal parts of present-day ...

Dogs weren’t always companions lounging on couches. Many breeds were created with a job in mind, such as tracking scent ...

The two subspecies split about 20,000 years ago. But since then, they may have interbred more often than Smithsonian ...

New research led by scientists at the American Museum of Natural History and the Smithsonian's National Museum of Natural History reveals that the majority of dogs living today have low but detectable ...