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.
Some musings on the American Kennel Club's impending culture clash with the Dogo Argentino.
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.
Sumerian dog from 2100 B.C.E., courtesy of the Brooklyn Museum. Can dog breeders -- better yet, should dog breeders -- try to replicate this ancient Molosser?
The creator of the American Molossus seeks to re-create the ancient guard dog of Mesopotamia. The effort has garnered a lot of media headlines -- and not a little controversy.
Working Dogo Argentinos often wear the physical badges of their boar-hunting excursions.