Color counts when it comes to longevity, according to a study that says brindle Cane Corsos live longer.
Bullmastiffs with very foreshortened muzzles, such as this puppy, are not in keeping with the standard.
In the face of bans against breeding snub-nosed dogs, Helene Nietsch reminds that the Bullmastiff is not a brachycephalic breed.
A Tosa Inu afficionado goes in search of a new puppy.
Dogo breeder and hunter Kassi McLaughlin describes the ideal — and often misunderstood — Dogo Argentino temperament
Enrico Drudi of Tisama Tosa Ken kennel in San Marino shares three decades of experience with the Tosa Inu, Japan's answer to the mastiff.
Cartoon from Punch magazine in 1846 depicting Bill George's famous Canine Castle dog dealership.
London dog dealer and Mastiff breeder Bill George was famous for his canny ability to find a good dog no matter who bred it.
Did Sherlock Holmes hunt a Molosser instead of a Hound? Elementary, my dear Watson.
AKC-registered Boerboel must have pedigrees that pass a litmus test.
Can you get your South African-bred Boerboel registered with the American Kennel Club? It depends on what's in that pedigree.
"The Old English Mastiff Club Show at the Crystal Palace: Taking a Photograph Under Difficulties," 1890. Some things never change!
Handlers share their tried-and-true tips on wrangling, um, showing Molossers to best advantage in the ring.
Farcroft Fidelity, bred by S.E. Moseley, was the breed's first CC winner in the United Kingdom.
How a British dog dealer named S.E. Moseley created the modern Bullmastiff — or took credit for it, at least.