Saint Nicholas is said to have a twinkle in his eye, but there's a real health condition that creates a similar effect in patients: the aptly named 'Christmas tree cataracts'. Christmas tree cataracts ...

A bright red mass suddenly appears in a dog's eye. Is it painful? How did it develop? Here is all you need to know about cherry eye in dogs.

An Australian angler spotted what he initially thought to be a massive trout and ended up capturing video of something even ...