“Puppy-dog eyes didn’t just evolve for us, in domestic dogs,” says comparative anatomist Heather Smith. Her team’s work has thrown a 2019 finding 1 that the muscles in dogs’ eyebrows evolved to ...

Humans may perceive dogs with dark eyes as younger and more friendly, according to new research. M.A. Josephson via Getty Images Scientists have long known that domesticated animals tend to share ...

African wild dogs might use facial expressions to communicate with each other as they hunt in packs on the savanna. Arno Meintjes via Flickr under CC BY-NC-SA 2.0 DEED Puppy-dog eyes are irresistible.

My dog, Stewie, has had his fair share of eye issues over the years, and although he is one of the breeds more susceptible to developing it, we have not had to deal with cherry eye. However, I've ...