Are you curious about the smallest dog breed in the world? In this video, we're exploring the fascinating world of Chihuahuas ...

These small dogs, known as Techichi, were companions to the Toltecs, and evidence of their existence dates back to the 9th century. The breed as we know it today came from the Mexican state of ...

Though she may be little, this pup has a big personality. — -- Meet Thumbelina, a 1.54-pound Chihuahua puppy who now has the title of being the smallest dog ever adopted from the Wisconsin Humane ...