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Images: Cave Art Reveals Prehistoric View of the UniverseSee art found in open air and dark caves that represent the way the universe was perceived by ancient humans.
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Asteroids Galore! 10,000th Near-Earth Object DiscoveredScientists have found the 10,000th near-Earth object ever recorded.
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'Mini-Neptune' Alien Planets in Star Cluster Surprise ScientistsThe two 'mini-Neptune' alien planets 3,300 light-years from Earth could be the first of many more, scientists say.
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Found! 3 Super-Earth Planets That Could Support Alien LifeThere are at least six planets orbiting the nearby star Gliese 667C, scientists say.
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Galaxy Crash Spawns Space Penguin in Hubble Telescope PhotoThe truth about this celestial bird may surprise you.
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New Clues Into Mystery of Mars Meteorites & Rocks RevealedLook to the rocks to peer into a Martian past.
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Earth Calling E.T.: New Project Begins Beaming Your Messages Into Deep SpaceThe Lone Signal project wants to send your notes out into the universe.
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Black Hole's Guts Modeled in Supercomputer SimulationThe origins of a black hole's x-rays lie in its gaseous disk.
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New Type of Variable Star Found (Photo)See a new kind of star in a stellar cluster.
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The Sun May Have Grown in Fits and StartsThe sun was "feisty" in its youth.
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'Cat's Paw Nebula' Bursting with New Star GrowthThe Milky Way is going through a stellar baby boom.
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Donated Spy Satellite Telescope Would Suit NASA Dark Energy Mission, Report FindsUsing one of two donated spy telescopes would improve NASA's WFIRST mission, a report concludes.
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Saturn-Like Alien Planet Found by Little TelescopeA hot gas giant circling a sun-like star has a 7.8 day year.
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Planets Found by Kepler Spacecraft Likely Larger Than ThoughtSome exoplanets found by a planet-hunting telescope are larger than scientists expected.
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Galaxy in Throes of Death Spied for 1st TimeAstronomers are witnessing a cosmic death on a galactic scale
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Milky Way's Local Arm Larger Than Previously ThoughtThe solar system lies in what's called the "Local Arm" of the Milky Way.
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Never-Before-Seen Alien Planet Imaged Directly in New PhotoThe planet could be the least massive planet observed outside of the solar system.
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Seafloor 'Breathing' Could Help Forecast Big EarthquakesSmall earthquakes brought on by the Earth's tides could help scientists forecast the next large, destructive earthquake.
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Telescope Photographs Inky 'Strawberry Cocktail' Nebula for 15th BirthdayA new photo shows a nebula located 6,500 light-years from Earth in unprecedented detail.
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Extreme Solar Storm Could Cause Widespread Disruptions on EarthA large coronal mass ejection from the active sun could affect entire continents, scientists say.
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Sci-Fi Film 'After Earth' Presents Dark Future for HumanityIn 'After Earth,' humanity is faced with a choice: Leave the planet, or die off trying to remain on it.
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Milky Way Galaxy's Giant Black Hole Is 'Cooking' Gas MealThe giant black hole at the center of the Milky Way is heating the gas surrounding it.
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Record-Breaking Star Explosion Is Most Powerful Ever SeenNASA's Swift and Fermi space telescopes made the stunning discovery.
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Russian Space Junk Almost Destroys NASA Telescope in OrbitNASA's $690 million Fermi Space Telescope narrowly a head-on crash with a dead Russian satellite on April 3.
