Chihuahuas, rat terriers and miniature poodles are muscling in on strength contests long dominated by big dogs. It takes high-protein diets, sharp nails and cinder blocks.

BURRILLVILLE, R.I. (WJAR) — A 19-year-old is frantically searching for her emotional support Chihuahua after it got loose and ran off while at dog training. "She's only 8 pounds. She's a little ...

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 ...