Earth Science & Climate

What Does a Meteor Look Like in the Night Sky?

What 2 Gases Make Up Most of the Atmosphere?

How to Find Absolute Humidity: The Formula and Tools

What Is an Eon in the Geologic Time Scale?

Are We Moving Closer to the Sun?

How Fast Does Jupiter Rotate?

Where Can I Get Solar Eclipse Glasses?

How Fumaroles Alert Geologists to an Active Volcano

Where Is Caribbean Calcite Found?

What Is an Irrigation Drain and How Does It Work?

Does Pennsylvania Get Tornadoes? Frequency & Safety

Is Mercury Bigger Than the Moon?

How Seafloor Sediment Reveals Earth’s Climate History

What Do Mud Cracks and Ripple Marks Indicate About the Geologic Past?

Why Is It So Hot? From Weather to Climate Change

What Is the Dark Moon? Its Meaning and Astronomical Timing

What Happens If Two Hurricanes Collide?

What Is the Resulting Strain Produced by Tensional Stress on a Rock?

Do Compasses Point South in the Southern Hemisphere?

When Is the First Frost in Iowa?