Earth Science & Climate

Is Obsidian Black or Blue? The Science of Its Color

Are There Tornadoes in Knoxville, Tennessee?

Can a Tornado Destroy a Hotel?

What Does the Weather Have to Be to Snow?

Are All Stars White? The Truth About Star Color

Is Larimar a Gemstone? Its Origin and Characteristics

What Is in the Middle of the Universe?

Does Black Rubber Mulch Get Hot?

How Does a Trench Form at a Convergent Boundary?

What Are Direct Rays and How Do They Heat the Earth?

What Is the Great Escarpment and How Did It Form?

Why Can We Only See the Corona During an Eclipse?

What Classifies a Lake? From Size to Formation

How Dangerous Is Hail? From Injury to Property Damage

Is Ammonia (NH3) a Greenhouse Gas?

When Is Tornado Season? Why Spring Is the Peak

How Lava Is Made: From Melting Rock to Eruption

What Is New Zealand’s Main Source of Energy?

What Is the Temperature of Continental Polar Air?

Is Illinois Part of Tornado Alley?