Earth Science & Climate

What Is the Deepest Cave in the World?

When Is a Dust Devil Actually Dangerous?

When Will We Run Out of Lithium?

How Many Time Zones Are in Antarctica?

Weather Words and What They Mean: From Fronts to Warnings

How Deep Is Walker Lake? Its Depth and History

What Does Groundwater Become When It Enters a Lake or Stream?

What Are the Different Types of Pink Crystals?

Is There Hail in Florida? How and When It Happens

Is Tennessee in Tornado Alley or Dixie Alley?

What Is the Best Topsoil to Use for a Lawn?

What Does Gold Dust Look Like? A Visual Guide

What Are Density Currents and How Do They Work?

How an Earthquake Occurs: From Stress to Seismic Waves

What Is the Symbol for the Sun?

What Is a Snow Tornado Called?

Do Aquifers Dry Up? Causes and Consequences

How Was the Colca Canyon Formed?

Why Is the Ground in My Yard So Soft?

When Do Comets Have Tails and How Do They Form?