Why Does the Atmosphere Not Drift off Into Space?
After all, it is only air. What keeps it here?
What Is the Jet Stream?
Learn about these fast-moving ribbons of air that are high in our atmosphere.
What Is Humidity?
Humidity is, in general, a measure of water vapor in the air.
Why Does Wind Blow?
It's all about temperature.
How's the weather on other planets?
If you think Earth can have bad weather, check out these places!
What Is an Atmospheric River?
Learn more about these moving columns of water vapor in the sky!
What Are High and Low Pressure Systems?
Is air super heavy?
What Are Trade Winds?
Learn about how these winds that are important for sailors also influence our weather.
How Is Air Quality Measured?
Satellites orbiting above Earth monitor what’s in our air.
Why Is the Sky Blue?
This may sound like an easy question... it's not!
Types of Clouds
Learn about common cloud types and what they can tell us about the weather!
Cloud iridescence looks amazing
See how angles and distances affect your view of rainbows.
Keeping an Eye on Volcanic Ash
To an aircraft, a volcanic ash cloud is like a sky full of broken glass.
What's the Difference Between Fog and Clouds?
Aren't they the same thing?
What Causes a Rainbow?
Learn how to be in the right place at the right time.
How did Earth's atmosphere form?
Earth is on its third atmosphere! We wouldn't have liked the first two at all!
Explore what causes contrails in this simulation!