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Oxygen-Rich Liquid Water May Exist on Mars

The possibility of life on Mars may not be consigned to the distant past. New research suggests our neighboring world could hide enough oxygen in briny liquid water near its surface to support microbial life, opening up a wealth of potentially habitable regions across the entire planet. Although the findings do not directly measure the oxygen content of brines known to exist on the Red Planet, they constitute an important step toward determining where life could exist there today.

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