Ali and Sean travel back 80 million years to check out Tylosaurus, a prehistoric reptile that lived in what is now Kansas.

Located in the Atlantic Ocean, the Bahamas consists of 700 islands. Only about 30 of them are inhabited by people. New ...

North Korea is a land of mountains and hills separated by deep, narrow valleys. Paektu-san, or "white head mountain" in the ...

Temperatures may cool down during the fall season, but the fun is just heating up. Find out why autumn is excellent.

Get the inside scoop on how these brown bears pack on the pounds to prepare for winter, and see before-and-after pictures of ...

Since Yellowstone's creation, the role of the national parks has grown and changed, just as the United States has grown and ...

The fastest recorded speed of a cheetah was 61 miles (98 kilometers) an hour, or as fast as a car on some highways. The ...

From bottom to top, a mountain has several biomes of life. At the very bottom, foothills often have lush deciduous forests, ...

These insects get their name because they have very long front legs that they hold in a position that reminds people of ...

These games challenge you to find baby animal pairs, spot differences in photos, and match baby critters with the adult ...

Slowly stalking down the snowy hillside, the Amur leopard watches its prey through the trees. In the clearing below, a sika ...

Daniel Radcliffe, who played Harry Potter in the films, wore 160 pairs of prop eyeglasses and waved around 70 wands ...