Space
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Elon Musk Dreams of a Martian Metropolis
Just last week, Elon Musk revealed that one of his main goals for Space Exploration Technologies (SpaceX) is to eventually build a city on Mars, ushering in an age when humanity is a multi-planet dwelling species.
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NASA to 3D Map Earth's Forests
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NASA Casts Doubt on Mysterious Nicaraguan 'Meteorite'