"A large saltwater lake seems to lurk under ice near Mars’s south pole. If confirmed, it would be the first body of liquid water ever detected on the red planet and a significant milestone in the quest to determine whether life exists there."
To read more go to: https://www.nature.com/articles/d41586-018-05795-6
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Astrobiology
Physical Sciences > Physics and Astronomy > Astronomy, Cosmology and Space Sciences > Astrobiology