Milky Way Leftover Shell Stars Discovered In Galactic Halo

By tammy-plotner - February 21, 2013 09:16 PM UTC | Milky Way

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As Seen From Space: Mt. Etna Boils Over

By Nancy Atkinson - February 21, 2013 08:15 PM UTC | Planetary Science

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What are the Most Memorable NASA Spacewalks?

By Elizabeth Howell - February 21, 2013 03:47 PM UTC | Space Exploration

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Dennis Tito Wants to Send Human Mission to Mars in 2018

By Nancy Atkinson - February 21, 2013 01:29 AM UTC | Space Exploration

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Adaptive Optics Explained! In Comic Form

By Fraser Cain - February 20, 2013 11:53 PM UTC | Telescopes

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No Glory: NASA Releases Findings from Taurus XL Rocket Failure

By Nancy Atkinson - February 20, 2013 11:24 PM UTC | Space Policy

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New Video Shows Fire and 'Rain' on the Sun

By Nancy Atkinson - February 20, 2013 10:35 PM UTC | Solar Astronomy

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Smallest Exoplanet Yet Discovered by 'Listening' to a Sun-like Star

By Nancy Atkinson - February 20, 2013 10:03 PM UTC | Exoplanets

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Hollywood's Mixed Portrayal of John Glenn

By Elizabeth Howell - February 20, 2013 07:32 PM UTC | Space Exploration

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Infographic: What's the Difference Between a Comet, Asteroid and Meteor?

By Nancy Atkinson - February 20, 2013 06:05 PM UTC | Planetary Science

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In Search of Darkness: the Battle Against Light Pollution

By David Dickinson - February 20, 2013 04:57 PM UTC | Observing

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Another Incredible Timelapse from the ISS

By Nancy Atkinson - February 19, 2013 10:27 PM UTC | Space Exploration

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Bright New Supernova Shines in Southern Skies

By bob-king - February 19, 2013 09:41 PM UTC | Extragalactic

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First Radar Observations of Asteroid 2012 DA14

By Nancy Atkinson - February 19, 2013 08:52 PM UTC | Planetary Science

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Luckiest Photo Ever: The Moon, Jupiter ... and More

By Nancy Atkinson - February 19, 2013 06:54 PM UTC | Planetary Science

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Mission Control Loses Contact with International Space Station

By Nancy Atkinson - February 19, 2013 04:46 PM UTC | Missions

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Narrowing Down the Hunt for Giant Exoplanets

By daniel-majaess - February 19, 2013 04:13 PM UTC | Exoplanets

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The Year of the Comets: Three Reasons Why 2013 Could be the Best Ever

By bob-king - February 19, 2013 03:15 PM UTC | Planetary Science

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10 Awesome Images of the Space Station's Cupola

By Elizabeth Howell - February 19, 2013 02:36 PM UTC | Space Exploration

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Take a Spin Around Mercury

By Jason Major - February 19, 2013 06:46 AM UTC | Planetary Science

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