Earth Science & Climate

What Makes the Sun Come Up and Go Down?

Is Steel a Nonrenewable Resource?

Does Rain Cause Humidity? The Science Explained

How Deep Is the Belize Blue Hole?

When Did Mount Mazama Erupt and Form Crater Lake?

Do Planes Fly Above the Weather?

Does Emerald Have Cleavage or Fracture?

When Does It Start to Cool Down in Colorado?

What Did Earth Look Like 240 Million Years Ago?

What Are the Benefits of Surface Mining?

What Does Neptune Look Like Through a Telescope?

What Does Real Opal Look Like?

When Is the Next Supervolcano Eruption?

Which Type of Crust Is the Oldest?

Can We Predict Solar Flares With High Accuracy?

How Fast Is an Avalanche? The Science of Snow Speed

What Is the Resolution of the Dilemma Known as Olbers’s Paradox?

Is There an Earthquake Season in Japan?

Is Liquid Mercury a Mineral? The Scientific Answer

What Does the Sun Look Like From Venus?