Earth Science & Climate

Is the Lower Mantle Solid or Liquid?

What Is the Difference Between a Cave and a Cavern?

Does the Sun Set in Alaska?

Where Is Charoite Found? The Only Known Location

How Often Do Hawaii’s Volcanoes Erupt?

How Long Ago Was the Tundra Formed?

How Old Are Diamonds? The Science of Their Ancient Age

How Much Snow Does Alaska Get Each Year?

How Old Are Galaxies? Tracing Their Cosmic Origins

Does New York Get Hurricanes? A Look at the Risk

How to Calculate Soil Moisture: Methods & Formulas

Why Are There No Impact Craters on the Surface of Io?

How Does an Area’s Weather Differ From Its Climate?

What Is a Kettle Pond and How Is One Formed?

What Is the Highest Mountain Range in Europe?

When Will Condensation Occur?

What Hurricane Lasted the Longest on Record?

Is the Equator Closer to the Sun?

What Part of Arkansas Does Not Get Tornadoes?

What Is It Called When Snow Evaporates?