Earth Science & Climate

Where Is the 40th Parallel? A Look at Its Path and Significance

Where Is Pink Opal Found? From Peru to the US

Is Vega in the Milky Way Galaxy?

Is Oil a Reasonable Energy Source Today?

How Overdue Is the San Andreas Fault for an Earthquake?

What Will Happen When the Andromeda Galaxy Collides With Ours?

What Is the Relationship Between Earthquakes and Plate Boundaries?

What Are the Different Things You Can Find in Space?

What Is the Rarest Geode Color and How Does It Form?

How to Wash River Rock for Landscaping and Aquariums

Who Discovered Amethyst? From Myth to Modern Science

What Is Mantle Convection and How Does It Work?

Which Seismic Wave Type Travels the Fastest?

What Holds the Universe Together?

What Instrument Is Used to Measure Salinity in Water?

Can You Find Jade in Michigan?

Can You See Galaxies in the Night Sky?

How Long Is Hurricane Season in Florida?

How a Greenhouse Works: The Science of Heat Trapping

How Fast Does the Sun Move Through the Galaxy?