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