Earth Science & Climate

How to Tell If a Rock Has Crystals in It

Is Aquamarine a Gemstone? Its Properties and Value

Can a Super Flare Destroy Earth?

What Type of Islands Are the Galápagos Islands?

How Deep Is Puget Sound? From Its Maximum Depth to Its Origins

Where Does Earth End? From the Atmosphere to Gravity

How Are Mafic Minerals Different From Felsic Minerals?

What Are Some Interesting Facts About the Moon?

What Is Another Name for a Mudflow?

How to Escape an Undertow (Rip Current)

Is Obsidian See-Through? The Science of Its Transparency

Where to Find Carnelian: From Buying to Rockhounding

What Does Biotite Look Like? A Visual Identification Guide

When Is the Next Solar Eclipse in California?

Can You See Other Planets From the Moon?

Is the African Plate Convergent or Divergent?

What Are the 4 Seasons in Australia?

Do Stars Move in the Sky? Explaining Their Motion

When Was the Last Tornado in Massachusetts?

What Is the Darkest Place on Earth?