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

An adaptable dog breed being pet by its owner.

Large dog breeds are known for their size, strength, and loving nature. Whether they’re guarding the house or hogging the couch, these big dogs often bring a lot of joy—but they also come with their ...

Some dog breeds rival motorcycles in weight, shaped by centuries of work and strength. From towering Great Danes to massive Mastiffs, these gentle giants redefine what “big dog” truly means.