Find out what causes volcanoes to erupt and how scientists study them.
Visit a scientist's lab to see how he creates a magma chamber!
Take a peek at our planet's layers, learn what secrets rocks reveal, and gain a long view of history.
Volcanoes, tsunamis, earthquakes... Examine how plate tectonics affect our world!
Send a note to a friend with these earthy letterheads.
Take an expedition across the Martian landscape with this video, then test your knowledge!
Explore the layers of our planet: the crust, mantle, and core.
Find out how he became a geologist and what you can learn from studying rocks.
Celebrate your cosmic smarts with a solar system of cookies.
Test your knowledge about our planet Earth with this quiz.
Find out what we know about Mars in this online tour of Earth's closest neighbor.
Water is a precious resource, and all things need water to survive.
Museum scientists answer kids' questions!
Do you dig the Earth? If so, you'll want to meet Ed.
Find out how five different environments produce Earth's amazing minerals!
There are no "volcano" .
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