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Kepler Discovers First Earth-Sized Planets Beyond Our Solar SystemDec. 21, 2011
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A Look Below the SurfaceDec. 18, 2011
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Introducing the Habitable Exoplanets CatalogDec. 12, 2011
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Arrival at Laguna NegraDec. 12, 2011
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"Slam Dunk" Sign of Ancient Water on MarsDec. 9, 2011
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Oxygen's Stops and StartsDec. 8, 2011
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Deep Freezing the Early EarthDec. 8, 2011
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Beyond the Edge of the Sea, in WisconsinDec. 7, 2011
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Early Life More Complex Than Previously ThoughtDec. 6, 2011
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A Microchip Off the Old BlockDec. 6, 2011
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NAI Cooperative Agreement Notice Cycle 6 Now AvailableDec. 5, 2011
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Kepler Confirms First Planet in Habitable ZoneDec. 5, 2011
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