The Loveland Living Planet Aquarium is welcoming its newest resident — a beautiful zebra shark — with a naming contest.

After hours: November 11 at 5:08 PM EST Loading Chart for ZBRA ...

A new documentary traces Humphrey Bogart’s development from stage actor to the embodiment of brooding cinematic cool. By Ben Kenigsberg Starring Dwayne Johnson and Chris Evans, this Christmas ...

National Geographic’s photography community is now on Instagram at @NatGeoYourShot. Please follow us there for the latest photos from the community and tag your photos #YourShotPhotographer for ...

The red cell distribution width (RDW) blood test measures how equal your red blood cells are in size. One of several tests included in a complete blood count (CBC), RDW is measured as a percentage.