The mournful, pleading, eyebrows-up expression dogs make is so familiar that we have made it into an idiom: puppy-dog eyes. A new study suggests it's yet another example of dogs' ability to ...

Add Yahoo as a preferred source to see more of our stories on Google. If you can’t resist those large, liquid puppy-dog eyes from your pooch begging for just about anything, it’s only natural and ...

Living alongside humans changed both how dogs behave and how they look. Research shows that domestic dogs developed a small facial muscle that helps them create the familiar “puppy dog eyes” ...

Recently-published research indicates our dogs may have developed new facial muscles just to communicate with us. According to researchers from Howard University, North Carolina State University, the ...

Researchers found that dogs have muscle fibers that support more human-like expression compared to their wild relative, the wolf Humans selectively bred dogs thousands of years ago to achieve the ...

Every dog owner knows how hard it can be to say no to "puppy-dog eyes," but a new study shines light on how canine facial expressions evolved and why humans are able to understand them so well.

If you've ever fallen for the old 'puppy dog eyes' trick, don't feel bad. A new study has found dogs evolved new facial muscles specifically to tug at your heartstrings over the course of thousands of ...

The term "puppy dog eyes" may sound sentimental, but according to researchers, it's actually scientific. A recent study published in the journal Proceedings of the National Academy of Sciences has ...

Living alongside humans changed both how dogs behave and how they look. Research shows that domestic dogs developed a small facial muscle that helps them create the familiar “puppy dog eyes” ...