Add Yahoo as a preferred source to see more of our stories on Google. A dog enjoys being petted, eyes closed and smiling, in a grassy outdoor setting. “Happy dogs look happy,” says Marc Bekoff, PhD, ...

There’s nothing quite like coming home to a devoted dog who’s been waiting all day just to see you, esepically if you've had a bad day. Whether it’s the sound of their paws racing toward the door, ...