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

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

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

Scientists suspect a black hole lurks at the center of most galaxies. The Milky Way’s black hole is called Sagittarius A*. (A* is scientist-code for “A-star.”) Its gravity, or attractive force, is so ...

You’ve met the characters—now meet the real-world animals behind some of your favorites from Pokémon GO. Take a look at the ...

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

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

This brilliant physicist worked to crack open the mysteries of the universe. Check out the time line below to learn about the life of this legend.

Every March or April, Mexican Free-tailed bats (tadarida brasiliensis) migrate up to 1,000 miles from their winter home in ...

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

Forests make up one-third of Earth’s land surface, or more than 15 million square miles. Take this just-for-fun quiz to see ...

You probably know sea stars as starfish, the name sea stars are commonly known by. But sea stars aren’t really fish. Sea ...