Earth Science & Climate

What Is Unique About the Atacama Desert?

Methane’s Role in Earth’s Cycles and Atmospheric Chemistry

Where Are Most Dinosaur Fossils Found?

Where Are Atolls Usually Located Around the World?

Water on Mars: Where It Is and Why It’s Important

Do Dams Prevent Flooding? How They Work and Their Limits

Why and When Do Days Start Getting Longer?

How Many Earths Can Fit in the Sun?

What Is Paleontology? The Science of Ancient Life

Is a Cloud a Solid, Liquid, or Gas?