New Clues Suggest Meteor Craters In Three U.S. StatesNew techniques can measure rock formations to search for clues of meteor impacts.
Researchers: Gamma-Ray Burst May Have Triggered Mass ExtinctionExtremely rare but incredibly powerful gamma radiation explosions would be strong enough to wipe out all life on the planet, say researchers.
Astronomers: 'First Evidence' Of Water Clouds Discovered Outside Solar SystemAstronomers say they’ve discovered water ice clouds on a “brown dwarf” just 7.3 light-years from Earth – the first candidate outside our own solar system to have direct evidence of water clouds.
Study: Americans Flunk Basic Science Facts But Like Science90 percent of respondents say scientists are working for the benefit of humanity.
NASA: Comet ISON Did Not Survive It's Trip Around The SunComet ISON appears to have broken up and evaporated as it neared the sun.
Library of Congress Acquires Carl Sagan's Papers Astronomers and scientists joined Seth MacFarlane at the Library of Congress for the opening of a new collection of Carl Sagan's papers.
Scientists: Comet Brighter Than The Moon To Appear Next YearSome parts of the world may have a spectacular lights show to look forward to next year, when the Comet ISON passes through the sky.

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