The Bullmastiff was once the guard dog of choice in South Africa's De Beers diamond mines. What happened?
To understand rustic Molossers like the Dogo Argentino and Cane Corso, look to this cigarette-smoking icon.
Never Ebeneezer Scrooge or Oliver Twist. The cast of characters we're focused on are the many real-life dogs owned by famous author Charles Dickens.
America's most famous — and richest — family also bred some of the first Bullmastiffs in the United States.
I like Neapolitan Mastiffs. You got a problem with that?
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 aficionado 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.