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The New Way to Look for Mars Life: Follow the Salt

Newton Crater on Mars

LOS ANGELES—There is probably water on Mars, but you wouldn’t want to drink it. It’s salty, viscous and quite possibly toxic. But astrobiologists are nonetheless excited about the possibility. Just in the past few years, orbiter cameras and Mars landers have gathered evidence that watery liquid does exist on the Red Planet, at least during [...]

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