Without water, a human can only survive for about 100 hours. But there’s a creature so resilient that it can go without it for decades. This 1-millimeter animal can survive both the hottest and coldest environments on earth, and can even withstand high le...

How can you tell the two poles apart? Where are the penguins? What about the bears? The Arctic pole is located in the Northern Hemisphere within the deep Arctic Ocean, while the Antarctic pole is smack in the middle of the ice-covered Antarctica. Camille...

Why is grass green? Lets talk about Chlorophyll, Alien Plants and get down to why grass is really green!

A Tour of Earth's Ancient Supercontinents

The study of natural history is the study of how the world has changed but Earth itself is in a constant state of flux -- because the ground beneath your feet is always moving. So if we want to know how we got here, we have to understand how "here" got he...

Maps from the age of discovery are filled with some pretty interesting geography. They had a mass that kept the world from tipping over, the north pole had a giant magnetic rock in the center, there was even land populated by giants. This video is an ex...

What Was The "Boring Billion" Really Like?

Go explore what makes Earth so unique by visiting one of the 400 parks protected by the National Park Foundation.

There are many different types of flowers the world has to offer. Take a look at the most unique flower species on the planet.