There are several stereotypes about cats, including their ability to always land on their feet, their love of tuna fish, and their curiosity. But, there's another thing that cats are known for ...

Per the study, friendly expressions were marked by the cats' ears and whiskers moving forward with their eyes closed, as aggressive cats instead had constricted pupils and ears flattened against ...

Nocturnal animals tend to have proportionally bigger eyes than humans do. They also tend to have pupils that open more widely in low light. So, at the outset, nocturnal eyes gather more light than ...