A massive wave of radiation from the sun–the most intense since 2006–is walloping Earth today, according to the Space Weather Prediction Center.
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Groundbreaking ceremony for a national museum that will focus on African American history and culture.
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Where is the hottest place on Earth?
LEARN MORERussian scientists have reached Lake Vostok. Learn more about efforts to tap Antarctica's largest lake.
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Thousands of snowy owls have been spotted across the northern United States. Learn why birds migrate.
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New species discovered around Antarctic vents! What is a hydrothermal vent, and what kinds of animals live there?
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Samoa skips Friday! How can a day just disappear? Learn about the international date line.
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North Korean leader Kim Jong-il died on Dec. 17, 2011. Learn more about the secretive and isolated nation of North Korea.
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Scientists measure monster black holes on Dec. 7, 2011. What are black holes? How are they related to quasars?
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The names flerovium and livermorium have been proposed for two recently discovered transuranium elements. What are the transuranium elements?
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Neutrinos travel faster than light? Learn more about these amazing particles.
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