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 ...

Watching this dog’s truly unique but adorable “happy smile” on repeat could heal your soul from within. An Instagram video of ...

Separation anxiety in dogs is a behavioral disorder that causes extreme distress when the animals are separated from their owner or when they are left alone. As a result, dogs might exhibit ...

In an Instagram video shared by @greythedalmatian_, the Dalmatian dog’s happiness is on full display as he attempts to “smile” while playing a game of hide-and-seek with his owner.