"She was a breeding dog in a puppy mill, and so she came to us after being kept in a cage her whole life," said Border Tails founder Harleigh Garcia.

After being rescued from a puppy mill, Bertha spent nine months being frequently overlooked because she is a large, senior dog.

It was just so sweet: I love the Mastiff in @lizardfrede's video, but I think the other dog deserves some credit, too! She was equally as excited that their girl was home, but if it came down to ...

If you're a fan of gigantic dogs who are fiercely loyal, intelligent, agile and also capable of taking down bears and wolves ...

Ares, a 6-year-old Mastiff, is looking for a forever home. Known for his gentle nature and playful spirit, Ares is ready to ...

TUCSON, Ariz. (KVOA) - Ares, a 6-year-old Mastiff with a heart as big as his paws, is looking for his forever home. Ares is ...

Related: Giant Mastiff Puppy Clinging to Dad for Comfort After Car Wash Trip Is Too Cute To Miss. The Mastiff's name is Loki, ...