Earth Science & Climate

What Is an Obsidian Stone and How Does It Form?

What Fossil Water Reveals About Earth’s Ancient Past

Why Are Some Parts of the Ocean Darker Than Others?

What Is a Purple Moon and What Causes It?

Are There Pyramids on Mars? The Science Explained

How Is a Cast Fossil Different From a Mold Fossil?

Why Does It Get Windy? The Science of Moving Air

Is the Moon White or Gray? The True Color Explained

Is There Snow in Arizona? Where and When It Falls

How Is Gold Formed in the Earth?