To test his theory, Wang analyzed Tibetan mastiff genes, searching for ones that are associated with high-altitude success but are normally absent in mastiffs living closer to sea level.

Did you know that animals have become ultra-valuable status symbols in a world where luxury living is paramount? From ...

Unlike Rottweilers, who thrive on human interaction, Tibetan Mastiffs tend to be more aloof ... themselves (your couch may not survive their creativity). Training a Tibetan Mastiff is like negotiating ...

Bred from Bulldogs and Mastiffs, Bullmastiffs are known as excellent guard dogs ... The Cane Corso, an Italian Mastiff breed, is a superbly muscular and intimidating guard dog. Known for their ability ...

For nearly a year, the dog, named Bertha, went overlooked at a shelter in Northbrook, Illinois. Potential adopters thought she was either too big or too old.

CHICAGO, Illinois (WBBM) — A 170-pound mastiff who spent nine months at a north suburban shelter is now in her brand-new home. It took a little bit of help from a couple of social media influencers.

What suits one family might not be ideal for another. The English Mastiff Topping Will's list is the English Mastiff. Despite their imposing size, these pups are known as gentle giants.

When you have a dog “the size of a small pony,” you're living on their terms. If they don't want to go somewhere, good luck!