Icebergs Contribute to Sea Level Rise

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Exceptional Fossils Record Dinosaur Feather Changes

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Dinosaur Sighting: Dental Dinosaur

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Lost Soviet Reflector Found on the Moon

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Tyrannosaurus rex, the “Prize Fighter of Antiquity”

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UPDATED: The World’s Worst Oil Spills

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Cat Brain Inspires Computer Design

Aardonyx celestae

Digging Up Dinosaurs in South Africa

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Was “Jack the Ripper” Really a Tyrannosaurus?

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The Sun Is More Than a Blob of Yellow

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Tracks of Giants Created Dino Death Traps

While geologist don't know how long the eruption of Eyjafjallajökull could go on for, the last eruption in 1821 went until 1823.

What We Know From the Icelandic Volcano

Geologist Elizabeth Cottrell discusses the effects of the Icelandic volcanic eruption and the work of the Smithsonian’s Global Volcanism Program

Earth Day Events 2010

Learn about Earth Day celebrations in your community

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A Letter From Earth

The main plaza of Monte Albán, in the Oaxaca Valley. Building J

Bureaucracy Is Good?

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Dinosaur Sighting: Campground “Brontosaurus”

Greg Miller earned his PhD in neuroscience at Stanford University. He writes about brains and behavior as a San Francisco-based correspondent for Science.

Greg Miller on “Making Memories”

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A New “Bonehead” Dinosaur From Texas

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The Icelandic Volcano: A Mere Inconvenience in Historical Terms

Air Pollution as Seen From the Skies

From Mt. Etna to China to the Sahara, these striking satellite images of air pollution are from both natural and man-made causes

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