The surface of Mars looks like an empty red wasteland. But if you look a bit closer, the remnants of an ancient alien civilization begin to take shape. At least, that's the conclusion of George J.
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Scientists find signs that Mars may once have been covered by an ocean
Scientists Find Signs That Mars May Once Have Been Covered by an Ocean ...
Mars has a clear structure in its mantel, and its crust includes distinct reservoirs, scientists have said. Those are the findings from meteorites that originated 1.3 billion years ago on the red ...
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