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The Star Explosion That Wasn't: Astronomers Solve 150-Year-Old MysteryWith a little detective work, astronomers solved a mystery that helps them understand exploding stars.
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Build Your Own Moon: Online Lunar Game Nabs HonorsIn 'CyGaMEs Selene II: A Lunar Construction GaME,' you can build your moon from the comfort of your own home.
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NASA's Next Space Telescope Coming Together, Piece by PieceEngineers have been testing out the huge telescope's parts to prep for its deployment in 2018.
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Scientists See Big Rewards (and Risk) in Private SpaceflightThe burgeoning industry should help create new technologies and bring launch costs down.
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Never-Before-Seen Stage of Planet Birth RevealedBaby planets pull gas and dust toward their parent star, helping young suns to continue in their evolution.
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Black Holes Spew Out SurpriseThe relativistic jets created by ancient supermassive black holes and tiny baby ones are more similar than previously realized.
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Space Bursts Provide Insight to Theory of EverythingGamma rays from some of the universe's most energetic explosions are allowing scientists to probe the structure of space-time.
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Double Star Systems May Be Hiding a Third CompanionMany binary systems spread across vast distances could host a third star in their center.
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Distant Black Hole Reveals Chemistry of the Early UniverseThe brightest object in the early universe is helping to shine light on conditions soon after the Big Bang.
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Did Solar System's Planets Have Rings Before Moons?The moons in the solar system may have formed from massive rings around their planet.
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Saturn Moon Titan's Atmosphere Shows Surprising RiseNASA's Cassini spacecraft at Saturnd made the find as seasons change on Titan.
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Mercury Photos Reveal Strange 'Pie Crust' SurfaceThe contraction of the planet Mercury pulled the surface together, but new formations created by stretching have recently been found near squeezed features.
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Strange Star Spiral Offers Clues to Sun's FateA companion star pushing through expelled dust and gas around a red giant star created a spiral structure.
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Christopher Columbus: A Brief BiographyFind out who we celebrate on Columbus Day.
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Earth-Sun Distance Measurement RedefinedAstronomers have redefined the Astronomical Unit as a set value rather than an equation.
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Newfound Alien Planet a Top Contender to Host LifeGliese 163c may be capable of supporting hardy microbes.
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New Mars Theory Questions Red Planet's Watery PastLava, not water, may have moistened ancient Mars, and could have limited its habitability.
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The PentagonThe Pentagon is home of the U.S. Defense Department.
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Meteoroids Change Atmospheres of Earth, Mars, VenusResearchers may be able to use this information to learn more about comets' paths around the sun.
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Strange Emissions May Help Unlock Neutron Stars' MysteriesThe X-ray discovery could shed light on the composition of these amazingly dense objects.
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NASA Launching Twin Space Probes Into Earth's Radiation Belts FridayNASA's twin Radiation Belt Storm Probes will study Earth's radiation-heavy Van Allen Belts.
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NASA's Huge New Mars Rover Targets Biggest Red Planet MysteriesWhere might life on Mars live? How did a wet planet turn dry?
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50-Mile Landslides Spotted on Saturn's Icy MoonSome landslides on Saturn's icy moon, Iapetus, travel 10 to 15 times farther than scientists expected.
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How the Euclid Telescope Will Probe the Invisible UniverseEurope's $788 million Euclid mission will launch an ambitious space telescope to map dark matter and dark energy.
