Derek Bloomefield, Earl's proud owner, promises that despite Earl's sullen face, his dog is actually really friendly with both other dogs and humans. "He has had the grumpy expression from day one," ...

Arizona's most famous feline, Grumpy Cat, may have a canine brother. Earl, the grumpy puppy, has taken over the Internet in the past 24 hours with the same telltale grimace that thrust Tardar Sauce ...

GWINNETT COUNTY, Ga. - A shelter dog with an unforgettable pout is back home with his owner, just in time for the holidays. We’re calling him “Grumpy Dog,” but not because he’s unfriendly… it's ...

Do you have a grumpy dog? It might have some hidden talents. In a recent study in Hungary, researchers found that dogs with personality characteristics they had grouped under the “grumpy” heading were ...

Dogs that would not be the first choice of many pet owners do better than some of the more agreeable fellows when they have to learn from a stranger. By James Gorman Do you have a grumpy dog? It might ...