Earth Science & Climate

What Is Spring Water? Sources, Mineral Content, and Safety

How Polar Ice Strain Deforms and Fractures Ice Shelves

Why Do Cracks Form in Your Lawn and How to Fix Them?

Morton Gneiss: Minnesota’s 3.5-Billion-Year-Old Rock

Why Marie Byrd Land Is Earth’s Largest Unclaimed Territory

What Was the Little Ice Age and How Did It End?

What Is an Astronomical Unit (AU) and How Is It Measured?

How Asteroid Sample Return Reveals Solar System History

Carpathians: Geology, Primeval Forests, and Wildlife

Specific Capacity in Water Wells and Batteries