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NASA orbiter snaps the 'Niagara Falls of Mars' It's no place for a honeymoon, but these lava-fall views are still gorgeous. NASA/JPL-Caltech/Univ. of Arizona. Ah, Niagara Falls, a grandiose natural phenomenon of rushing water.
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Robotic arm could clean up litter in space About 500,000 pieces of human-made debris such as old satellites and lost equipment are orbiting our planet, according to NASA's Jet Propulsion Laboratory (JPL).
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