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World's Saltiest Body of Water Seen from Space (Photo)The world's saltiest body of water, hidden away in a dry Antarctic valley, had its portrait taken earlier this year by a NASA satellite.
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Giant Crater on Mars Was Once a Vast Lake, Curiosity Rover Shows -
Experts Cast Doubt on Meteorite Study's Claims of Martian LifeA debate has long raged among scientists over the possible existence of life on Mars, and a new study is adding fuel to the fire.
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Could There Be Organic Matter on Mars?The origins of organic matter found by Mars lander missions have long been debated, but a new study suggests a way to find out whether these chemicals of life came from the Red Planet or elsewhere.
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New Mineral Hints at Livable MarsA tiny, clay-filled bubble found in a Martian meteorite boosts the chances that Mars was habitable for life.
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Photo Gallery: Images of Martian MeteoritesSee stunning photos of Martian meteorites.
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4 Places Where Alien Life May Lurk in the Solar System -
Salt on Mars May Have Melted Red Planet's Ice -
Weird 'UFO' Light on Mars May Just Be a Shiny Rock, NASA Says (Video)
