Earth Science & Climate

How Many Years Would It Take to Get to Saturn?

What Weather Tool Measures Wind Speed?

Which Water Has Salt in It? From Oceans to Lakes

Why Is Dirt Brown? The Science of Soil Color

How Were the White Cliffs of Dover Formed?

How Long Does It Take for Sea Glass to Form?

How Many Sides Do Snowflakes Have?

Is Shale Older Than Limestone?

What Climate Is Most Common Above 70°N Latitude?

How Much Does 3 Yards of Soil Cost?

What Makes a Storm Severe? The Official Criteria

Are There Volcanoes in Costa Rica?

What Is Ice Erosion and How Does It Shape the Land?

What Is a Trough on a Prognostic Chart?

Is the Inner Core Hollow? The Science Says No

Why Is San Francisco So Cold in the Summer?

What Is a Lava Bomb? Formation, Types, and Hazards

Is Liquid Aeration as Good as Core Aeration?

What Is the Convection Zone of a Star?

What Rocks Glow in the Dark? The Science of Luminescence