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To orcas, almost every animal -- no matter how big -- is prey.

The maintenance teams must work quickly, no workers can be visible once passengers step onto the ship.

In an animal sanctuary in Grass Valley, California, lives a goat named Mr. G and his best friend, a donkey, named Jelly Bean.

Mr. Fence sells over 35 kinds of high grade drugs to Manhattan’s wealthy bankers and socialites.

In Houston’s 5th Ward, Mac the Pimp explains how drugs and prostitution are linked.

Kidnappings are frequently tied to illicit trades like drugs, and the victims can be tortured, beaten, even killed.

Dr. Manning begins to examine the skull of the second most complete fossil of a T. Rex ever discovered.

With brown and black camouflage skin Burmese pythons are hard to spot even when they grow over 20 feet long.

A net gun is the only way to reach a snake tangled in bush along the river.

Go back in time to the dawn of Earth at the Dalal Crater and see how life may have looked 4 billion years ago.

Beneath picturesque English seaside towns lies the European tectonic plate, and tucked within layers of rocks are troves of...

The filmmaker hopes audiences realize just how close the terrorists came to achieving their plot.

When you’re landing on an active glacier on Alaska’s Mount McKinley, every landing is a gamble.

Researchers are creating 3-D models of what the Earth looks like underneath the surface.

It's the first fatal coyote attack on an adult human ever recorded, and it shocks not only the surrounding community but...