The Argentinian Mastiff, also known as the Dogo Argentino, is a large, powerful dog with a pure white coat. Although the ...

The real estate agent, 44, shared a video of his adorable new puppy on his Instagram Stories on Thursday, January 16. The black and white mastiff pup walked up to Josh’s older white mastiff dog ...

The viral clip shows the mastiff puppy's courageous first steps toward befriending the Labrador—her new sibling—resulting in a moment of gentle companionship that has resonated deeply with ...