Q: My elderly cat’s pupils seem to stay dilated, even in bright light. Why? A: In old cats, dilated pupils are often just a sign of a harmless condition called iris atrophy. However, if your cat has ...

A video of a cat's pupils dilating at the sight of its favorite toy, going from cute to killer mode, has delighted the internet with over 6.5 million views. In the footage, Luna the long-haired black ...

How Do We Know What A Cat’s Eyes Mean? A cat’s eyes can communicate a wide range of emotions, including fear, excitement, ...

A cat’s eyes have a way of holding your attention longer than you expect. You catch the look, pause, and suddenly you are fully focused.

(via TEDEd) Peering into the eyes of different animals, you’ll see some extraordinarily shaped pupils. House cats, for one, are twilight hunters with vertically elongated pupils. Many grazing animals, ...