Pearl F. Semler, a 4-year-old Chihuahua from Florida, is only 3.59 inches tall, making her the world’s shortest dog. Reginald ...

There's about a three feet difference in size between the world's tallest and smallest dogs, according to Guinness World ...

A playdate between the world's tallest and smallest living dogs went the way of most dog park encounters despite the 3-foot ...

There's about a three feet difference in size between the world's tallest and smallest dogs, according to Guinness World Records.

One might think that two dogs that are at the extremes of size would ignore each other, or worse, but these two pooches ...

Reggie, a 7-year-old Great Dane from Idaho, and Pearl, a 4-year-old Chihuahua from Florida, put their (size) differences ...

Penny, a Chihuahua mix and service pooch, is now in intensive care after one of the larger dogs set upon her out of nowhere ...

The math gets even more complicated when factoring in the dog's size: Bigger dogs start to age faster than small dogs around age 6, and the gap increases by year eight. This relationship between ...

Given their placid, gentle nature, these lapdogs are one of the best family dog breeds. “As a companion animal, the Maltese ...

When both dogs are walking, Pearl, a 9.14-centimeter (3.6-inch) tall chihuahua, barely reaches the top of Reggie’s paw, such ...

Keep reading, and look for your Sun, Moon, and Rising signs.

U.S. News & World Report study shows the most popular dog breeds in each state, including Chihuahuas, French Bulldogs, and ...