Sammy, a Shetland sheepdog, wouldn't touch his food, retreating to a corner of the yard and devouring mouthfuls of dirt — behavioral oddities his owner later learned came from a lifetime of abuse as a "stud" in a large puppy mill.

A new study has found that young male dogs playing with female pups will often let the females win, even if the males have a physical advantage.

New research suggests sled dogs are superior to most other mammals, including humans, in at least three key areas.

Does It Work: We test the Storm Defender cape, which claims to ease dogs' terror of thunder. And it makes them look dashing too.

Authorities evacuating residents from New Orleans ahead of Hurricane Gustav are making amends with four-legged friends after thousands of pets perished in Hurricane Katrina.

Dogs are increasingly proving they're able to sniff out various types of cancer and other ailments in people - often before their owners even know they're ill.

After Ted and Valerie Rock's son posted a photo of their smoke-colored cat, Yoda, on a Web site, the four-eared feline turned into an instant Internet celebrity. The Rocks have been inundated with television offers and media inquiries

Fat, happy and no longer homeless. That describes life for the 44-pound New Jersey cat who became an overnight sensation.