Earth Science & Climate

What Would Happen If a 1-Kilometer Object Struck Earth?

What Is the Half-Life of Potassium-40?

Where Is Vanadinite Found and How Does It Form?

How Scientists Measure Ice Thickness, Area, and Mass

Are 10 to 20 MPH Winds Considered Strong?

Are Earthquakes Common in Japan?

Can You Find Geodes in Texas? Where to Look

Why Is the Indian Ocean So Dangerous?

How Long Does the Weathering Process Take?

Are Mountains Man Made? The True Origins Explained

Does Neptune Have a Core? A Look Inside the Ice Giant

Why Does the Moon Have Holes?

What Is the Difference Between a Gulf and an Ocean?

What Are Rapids? The Science Behind Fast-Flowing Water

What Does Relative Humidity Actually Measure?

Is There a Dome Over Earth? The Scientific Evidence

How Hard Is Garnet on the Mohs Scale?

Where Does Green Marble Come From?

What Is Apparent Retrograde Motion?

Why Can a Brown Dwarf Be Considered a Failed Star?