"Why are my dog's eyes red?" A dog’s eyes may become red for many reasons, ranging from episcleral injection to hyphema or periocular irritation. The post Why Are My Dog’s Eyes Red? (Common Causes of ...

In Red Eye Season 2 Episode 4, Hana is saved, Ruth is shot, and the assassin appears to be someone from the British Special ...

Acanthamoeba keratitis is a rare but blinding parasitic eye disease. Experts share how to avoid it and treat it.

Tired of crying when you chop onions? Scientists explain the chemical reaction that causes tears and reveal the simple, ...

You've been told to "let it out" your whole life. But venting anger doesn't release it—it rehearses it. Here's what four ...