Earth Science & Climate

When Do the Days Start to Get Shorter?

What Is Stigmaria? The Fossil Roots of Ancient Swamps

Why Are Deserts Important to the Earth?

How Many Acres Are Added to the Big Island Each Year?

How Much Salt Is in Fresh Water?

How Does Wind Erosion Happen?

Is There Gravity in Space?

How Many Minutes of Daylight Do We Lose Each Day?

What We Learned From Studying Lunar Samples

What Is Climatology? The Study of Climate and Its Branches