Earth Science & Climate

What Does Jasper Rock Look Like? Colors and Patterns

What Is Alabaster? Its Types, Properties, and Uses

How Hot Is a Star? From Core to Surface

What Is the Order of Colors in a Rainbow?

Is Mount Sinai a Volcano? The Mountain’s True Geology

Why Is Winter Air So Dry?

How Far Can Smoke Travel From a Fire?

What Is Dusk Time? The Three Phases of Twilight

Why Does the Moon Have More Craters Than the Earth?

What Are Eskers and How Do They Form?