That's a large part of why these smiling dog memes are so effective. The other part? They're just out-and-out funny. We challenge you to look at them without breaking into a wide smile ...

Bisty has so much positive energy that the shelter employees say the dog "has full body wags" whenever she meets someone new. Husky with Lopsided Smile Adopted By Family Who Drove 2,500 Miles to ...

A dog owner from the United Kingdom shared her ... While this pup seems very happy with his owner, when dogs smile, it may not always be for a good reason. An article shared by Rover, medically ...