Earth Science & Climate

Is the Caspian Sea Freshwater or Saltwater?

What Was Beringia? The Land Bridge to the Americas

What Does a Waxing Moon Mean Astronomically?

How Spherules Form and What They Reveal About Earth’s History

What Are the Key Properties of Savanna Soil?

What Happened to the Tethys Sea?

What Does Amber Come From and How Is It Formed?

The Essential Role of Coastal Dunes in Shoreline Protection

Why Was Wegener’s Theory of Continental Drift Rejected?

What Causes the Seasons? The Science Explained