Space
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See: Stunning Aurora Haloes Earth and its Sparkling Cities from Space [PHOTO]
If there ever is a time astronauts are reminded why they do what they do, it's when they get to witness stunning sights like this.
Latest Research Articles
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Brightest Galaxy in Universe Discovered
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Rare Supernova Sheds Light on its Mysterious Origins
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Scientists Hone New Technique for Finding Life on Mars
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How Galaxies Strangle to Death
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Forecasting the Weather on Exoplanets?
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Asteroids Likely Rich in Water, Explain for Earth's Oceans
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WATCH: Cinco de Mayo's Stunning Solar Flare and the Phoenix Prominence Eruption
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Farthest Known Galaxy Captured on Camera
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Unusual 'Howling Zombie Stars' May be at the Milky Way's Core
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Pluto Shows Off Possible Ice Cap as New Horizons Closes in
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Hubble Witnesses the Death of Giants: Ancient Galaxies Sputter Out
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Is the 3D Universe Just a Hologram?