Researchers have successfully adapted a standardized system for analyzing facial expressions to include bonobos, our closest living relatives, alongside chimpanzees. The study, led by an international ...

The purrs and meows we all know and expect from our feline friends are known to be communicative to humans. But how do cats interact with each other? By way of nearly 300 different facial expressions, ...

I am tired of studying Donald Trump’s facial expressions, but I can’t help myself. People keep asking me for my scientific opinion of Trump’s facial expressions. That’s a tall order. I do anatomically ...

(CNN) — Ears flattened, constricted pupils, a lick of the lips. If you’ve ever wondered if your feline friends’ furry faces were saying something whenever they got together, chances are they were. In ...