Often a runner-up in the Guinness Book of World Records, the Irish Wolfhound comes in second in comparison to the Great Dane.

Looking at a Great Dane next to a Chihuahua can be pretty comical. While Great Danes often stand around 32 inches tall, a Chihuahua’s average height is under 9 inches. Geneticists are still on the ...

The Ten Largest Dog Breeds Widely regarded as man’s best friend, dogs make loyal companions, invaluable service animals, and ...

Did you know that the American Molossus Dog is the largest dog in the world? You're about to find out! In this video, we're ...

A man showing off the growth of his puppy over the course of a year has gone viral as internet users fell in love with the gorgeous pup. Huxley is a Bernese mountain dog, one of the largest dog breeds ...

The largest-ever study of dog behavior, tracking more than 47,000 pets, reveals how breed, size, sex, and age shape canine traits. It provides insights that could help identify early signs of illness ...