Mastiffs are large and in charge, but they're also fiercely loyal pups. They love their humans and will defend them however ...

According to this dog's owner, her pup is notorious for putting almost anything he finds in his mouth. Unfortunately this ...

The family believed the dog was a Tibetan Mastiff, a breed that can grow to be quite large Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013. Her work has ...

But one giant Mastiff has a much more subtle—and absolutely adorable—way of letting his mama know he wants no part of getting clean. Just look at what this big boy does when mom tells him it's ...

From the protective Neapolitan Mastiff to the colossal English Mastiff, we countdown the top 10 largest dogs. Each breed is ...

137.2 x 236.5 cm. (54 x 93.1 in.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...

The Cane Corso — a powerful and protective Italian Mastiff — has seen a remarkable rise in popularity over the past 10 years, signaling a dramatic shift in breed preferences. Known for its ...