The shape of a cat's pupil has to do with their lifestyle habits, with nocturnal cats having more slit shaped pupils to help ...

Do you have blue eyes? We talked to experts to discover curious facts about baby blues, including whether your biological family is bigger than you ever imagined.

In a river of northeastern Brazil, an “armored” creature with “large” eyes paused to rest against a rock. The maze-like ...

Ringtails spend the majority of the day sleeping in their dens and are most active under the cover of darkness when they come ...

You may notice certain symptoms if your cat is struggling with being away from you, like excessive meowing or crying, ...