Mars is absolutely dripping with evidence that the red planet was once a striking blue, complete with glistening lakes, ...
New research suggests Mars was once a blue planet, as scientists identify river deltas and signs of a vast ancient ocean on ...
Morning Overview on MSN
NASA reports strongest life-on-Mars signs yet with high confidence
In a quiet corner of an ancient riverbed on Mars, a speckled rock has pushed the search for extraterrestrial life into its most tantalizing phase yet. NASA now says the layered stone, drilled by the ...
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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