The Dog Aging Project, a long-term study on canine aging, has collected data on dog behavior from more than 50,000 owners, ...

Pure-bred dogs have been regarded as superior to crossbreeds or what some people refer to as mutts. However, we now understand that producing purebred dogs has drawbacks. The lack of variety in the ...

The role for which a dog was bred—say retrieving birds—is reflected in their brain structure, according to a study of 33 breeds.

Each week in the Tuesday column, Prudence asks readers for their thoughts on a question that has her stumped. She’ll post her final thoughts on the matter on Fridays. Maybe the answer here is that I ...

French bulldogs. U.S. dog owners. C'est l'amour. Frenchies remained the United States' most commonly registered purebred dogs last year, according to American Kennel Club rankings released Wednesday.