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Mars Meteorite with Odd 'Tunnels' & 'Spheres' Revives Debate Over Ancient Martian LifeThe discovery of tiny balls and tunnels inside a Martian meteorite has rekindled the debate over whether the Red Planet was teeming with primitive life millions of years ago.
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Meteorite May Harbor Evidence of Mars Life: Study -
NASA Flooded with Ideas for 2020 Mars Rover Science Gear -
6 Biggest Space Science Discoveries of 2013From extrasolar planets to extraterrestrial neutrinos, these scientific findings have made sure that 2013 has been an unforgettable year.
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Puzzling Streaks On Mars May Be From Flowing Water -
NASA Video Shows Ancient Mars as Lush, Water World -
Sky-High Microbes: How Far Up Can Life Exist?Based on tests of microbes under Marslike conditions, an expert thinks airborne microbes could grow 30 miles above Earth's surface, in the stratopause.
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Water on Mars: Curiosity Rover Uncovers a Flood of Evidence -
Ancient Mars River May Have Flowed into Huge Ocean
