In the Know

What Is an Ice Age?

Did you know that we are in an ice age right now? It’s true! An ice age is a long period of time when Earth’s temperatures are colder and ice covers much of the land. … Read more

In the News

What Is a “Gravity Hole”?

How would you describe Earth’s shape? Most would say it is round or shaped like a ball. But experts describe its shape as a “lumpy potato.” It is flatter at the poles and wider in … Read more

In the Know

The Aurora Borealis

The night sky is black. Then, beautiful colors appear. They are green. They are red. They are purple. They do not look like anything you’ve seen on Earth before. It is the aurora borealis [uh·raw·ruh baw·ree·a·luhs]. … Read more