Discover more about weather and what forces cause rocks and the Earth's surface to change.

		Dinosaurs in Patagonia Article for grades 6 through 12 In 1997, a team of scientists traveled to a remote region of Argentina to search for early birds and their ancestors. Instead, they made the remarkable discovery of a large dinosaur nesting ground.
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		Rock Dating Gallery Article for grades 9 through 12 The discovery of radioactivity in 1896 made it possible to determine the precise age of rocks. But how exactly does radioactive element dating work? Find out with this multimedia overview.
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		Theropod Fossil Hunt Dispatch Article for grades 6 through 12 In 1996, Dr. Mark Norell was stunned by a 3x5-inch photograph shown to him by a colleague. Follow along as that snapshot leads him to Dave, a well-preserved fossil of a feathered dromaeosaur.
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		Video Gallery: Mark Norell's Research Article for grades 6 through 12 This dromaeosaur found in northeastern China was covered from head to tail in feathers. In fact, in terms of fluffiness, it would've looked like a Persian cat. Learn more about the origin of feathers.
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		Face-to-Fossil Article for grades 3 through 8 Join the inquisitive Deena Soris as she interviews the fossil of a Protoceratops. This dashing dino, dug up in Mongolia in the 1920s, offers insight into his former life—and the secrets he's still keeping.
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		Online Field Journal: Rocks Activity for grades Kindergarten through 5 Have you ever taken a really good look at rocks? If not, you might be surprised by just how many varieties you can find. Start by comparing these rocks online, and see how many differences you can spot.
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		Kids in the Hall of Planet Earth: Rocks in Your Cabinet Article for grades 3 through 8 Chances are good that there are rocks and minerals in the pots you cook with, the dishes you dine on, and the food you eat. See which ones are hiding out in your kitchen.
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Discover more about Earth's surface features and how forces shape them.

		Creating the Hall of Planet Earth Exhibition Materials for grades 6 through 12 Tour Earth's dynamic, 4.5-billion-year story. You'll see continents drift, mountains build, oceans form, glaciers slice through rock—and how the museum has brought these events and more to life.
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		Rock Deformation Gallery Article for grades 9 through 12 If you hit a rock with a hammer, it will fracture and break. But with enough time and heat, rocks can flow like plastic. Learn more about ductility and the role it has played in shaping our planet.
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Discover more about the Earth's weather and how scientists track and monitor storms.

Discover more about the solar system.

		Welcome to Mars Article for grades 6 through 12 Did you know Mars was named for the Roman god of war because the planet's surface looks blood-stained? Or that the Red Planet actually gets its coloring from surface rust? Take a trip to our "closest neighbor."
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