When this Great Dane was experiencing a phantom pregnancy, her owner decided to comfort her with a small Chihuahua as a companion, but she had no idea that they'd become an inseparable duo. When ...

These dog brothers may share the same human parents, but that’s where the similarities end. At the time of their first ...

A Chihuahua puppy has melted hearts all over the internet after a video of him taking a nap on top of his big brother went viral on social media. The hilarious post, which quickly gained millions of ...

What happens when one of the smallest dog breeds meets one of the largest? One heck of a height differential! Two canine cuties, a Great Dane and a Chihuahua, recently got together for the very first ...

Demi Moore's Chihuahua Pilaf made a new larger-than-life friend this weekend. During the Toronto International Film Festival, The Friend star Naomi Watts arranged for the tiny dog to meet her costar ...

“Large dogs age faster and have shorter lifespans than small dogs due to biological and genetic differences,” explains Yana ...

Next to a few insects, dogs are one of the most diverse animal species on Earth. Their wide range of physical traits enables them to excel in various roles, from the hunters needed to survive in the ...

Looking at a Great Dane next to a Chihuahua is quite asight. While Great Danes often stand around 32 inches tall, a Chihuahua’s average height is under 9 inches. Geneticists are trying to find an ...

SPARKS, Nev. (KGO) -- A couple in Nevada says their dog is so big, they think he may be part horse. At just 2 years old, Rocko stands at 40 inches from paw to shoulder and is about 7 feet tall when on ...