Earth Science & Climate

What Is the Difference Between a Comet and an Asteroid?

How Big Is a Rainbow? The Science of Its Size

Is Smog the Same as Emissions?

What Is a Karst Landscape and How Does It Form?

What Did Antarctica Look Like Before Ice?

How Is Beryl Formed? From Pegmatites to Hydrothermal

What Minerals Are in Soil and Where Do They Come From?

How Many Plates Is the Earth Divided Into?

What Is a Frost Advisory and What Should You Do?

Why Is the Continental Shelf One of the Most Valuable Places on Earth?

What Is Cassiterite Used For? From Ore to Industrial Tin

Can You See Mercury at Night?

What Are the Main Sources of Water on Earth?

What Happened to the Salinity of Pamlico Sound During Hurricane Floyd?

What Is a Solar Garden and How Does It Work?

Where Is the Richest Soil in the World?

Why Is a Lot of Iridium Evidence of an Asteroid Impact?

How Engineers Prevent Structures From Collapsing During Earthquakes

Which Type of Crust Is Usually the Oldest?

How Can Erosion Change a Landscape Over Time?