Large Deposit Of Hidden Water Discovered On Mars

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An artist's illustration of the ExoMars Trace Gas Orbiter (TGO) that recently discovered water under Mars' surface (Credit: ESA)

Researchers have long suspected that Mars was once home to several rivers, lakes, and perhaps even oceans. But while they have been able to detect ice, and some salty lakes, in the planet's polar regions, finding water in other areas has proved elusive. Now, scientists have finally found evidence of a large water reservoir just a few feet below the surface of the Red Planet's Valles Marineris canyon system.

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