In the heart of Egypt's Sahara Desert, an extraordinary site known as Wadi Al-Hitan, or Whale Valley, has unveiled fossils ...

Hitan" in Arabic, holds more than 400 primitive whale skeletons that offer a snapshot of the evolution of these creatures ...

The sinking of the U.S.S. Indianapolis is widely known as a shark story—but the truth is much more horrifying.

Active shark species like the mako and great white shark tend to swim closer to the surface because of their need for speed.