Space
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Largest sunspot in 24 years continues to baffle scientists
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Dark energy is swallowing up dark matter. Is the universe in trouble?
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Astronomers spy exozodiacal light around in habitable zones of alien stars
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SpaceShipTwo crash will not deter Virgin Galactic from developing 2nd rocket plane
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Exozodiacal light may be hiding alien worlds
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Virgin Galactic SpaceShipTwo explodes during test flight: What really happened
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Parallel universes are real and they interact with each other, new theory suggests
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Virgin Galactic SpaceShipTwo crash will not crush space tourism dream, Branson vows to find explosion cause
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Virgin Galactic SpaceShip Two test flight crash prompts NTSB probe
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Chinese lunar orbiter returns home after successful sojourn
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How old is Earth's water? You'll be surprised
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Virgin Galactic SpaceShipTwo crash a huge setback for commercial space travel: Richard Branson speaks out
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