On International Tiger Day, see how a photographer and conservationist is trying to preserve big cats for future generations.

Michelle Trachtenberg's official cause of death revealed by the New York City Medical Examiner's Office. She died of complications of diabetes mellitus ...

Thrombocytopenia is a low concentration of platelets in the blood. The main causes are medication side effects and underlying conditions.

Here’s how to tell the difference between mosquitoes, chiggers and no-see-ums by their bites and how to treat and prevent them.