Earth Science & Climate

What Happens If a Comet Hits Earth?

What Soil Absorbs the Most Water?

How Long After Sunset Does It Get Dark?

What Came After Pangea? The Breakup of a Supercontinent

Calcium Carbonate in Nature: From the Earth to Organisms

Where Does the Amount of Sunlight Change the Most?

How Carbon Models Work: From the Cycle to the Output

What Is the Ultimate Base Level of a Stream?

How Hot Is the Amazon Rainforest?

Does Lightning Strike Up or Down?