An expert vet explains the evolutionary reason for those puppy dog eyes, and it's probably not what you think.

It turns out our pet pooches have evolved human-like eyebrow muscles, which let them make the sad faces that melt our hearts, according to a new study published on Monday in the Proceedings of the ...

Video shows a Bay Area golden retriever named Pork Chop trying to get his paws on some socks left on a couch. In the video posted on Instagram, the puppy is seen trying to reach the socks as his ...

Every dog owner understands the struggle of trying to leave the house while sad puppy eyes stare back at you from the hall and the sad whines coming from behind the door once you’ve shut it. It ...

Researchers have discovered dogs have a facial muscle that has evolved over the past 33,000 years, making their eyes look bigger and their faces sadder – the ‘puppy dog eyes’ act.