Earth Science & Climate

How Much Oil Is Left in the Permian Basin?

Why Isn’t There a Lunar Eclipse Every Month?

Why Is Space Cold If the Sun Is Hot?

How Wide Was the Joplin Tornado at Its Peak?

How Long Is the Polar Night in Svalbard?

Is Mount Rainier a Supervolcano?

Where Did All the Water in Our Universe Come From?

How to Make It Rain: The Science of Cloud Seeding

How Are Icebergs Made? From Glacier to Ocean

What Landforms Are Common in the Desert?

Does San Diego Get Earthquakes? Assessing the Risk

What Is Happening at a Convergent Plate Boundary?

What Is a Circular Rainbow Called?

Which Two Physical Features Do the US and Canada Share?

Is Pluto the Coldest Planet in the Solar System?

What Famous North American Landmark Is Constantly Moving Backward?

Is 29 a Low Barometric Pressure Reading?

How Many Volcanoes Are in the Cascade Mountain Range?

What Parts of California Will Be Underwater in 2050?

How Can Plants Cause Weathering?