Real-world studies show that the facial expressions produced during pain and orgasm—two different and intense affective experiences—are virtually indistinguishable. However, this finding is ...

Cats are masters at hiding their pain, but there are a few tell-tale signs that your feline friend is in discomfort ...

They say that eyes are windows to the soul. Indeed, research suggests this might also be true for our four-legged friends. Since the days of our most celebrated natural historian, Charles Darwin, ...

BUFFALO, N.Y. — A joint study by researchers at the University of California, San Diego, the University at Buffalo, and the University of Toronto has found that a computer–vision system can ...

Although cats are masters at hiding their pain, several signs can indicate how your cat is feeling if you know what to look ...

Rats are amazing social beings whom many people love to have as companion animals ("pets"). These lovely rodents also continue to be horrifically used and abused by the millions in laboratory research ...