Earth Science & Climate

How Strong Is Ice? The Science of Load and Thickness

How Often Does Hawaii Have Earthquakes?

Is There Water on Venus? Evidence for an Ancient Ocean

How Heavy Is a Black Hole? From Stellar to Supermassive

Do Lakes Have Undertows? The Science of Lake Currents

Is There Oil in Iowa? The Geological and Historical Verdict

What Is Iron Ore Made Of? Principal Minerals & Impurities

What Is the Difference Between “Bad” and “Good” Ozone?

In What Form Is Most Carbon Found in the Atmosphere?

Can Liquid Mercury Be Classified as a Mineral?

How Long Is the Winter Season?

Why Is There Light on Earth but Not in Space?

Do You Mine for Oil or Extract It?

Which Direction Is the North American Plate Moving?

Is Mount Rushmore a Volcano? A Look at Its Geology

How Much Area Does a Ton of Rock Cover?

When Does Groundwater Become Surface Water?

What Is the North Atlantic Drift and Why Is It Important?

What Is Saturation Vapor Pressure?

What Are the Major Areas of Specialization in Earth Science?