World News | Joel Achenbach, The Washington Post | Friday October 2, 2015
Ephemeral brine on Mars! Hmmm. That doesn't quite have the same ring as "water on Mars!" The latter formulation sounds like a paradigm-buster. Mars was supposed to be a desert wasteland, lifeless, cold, with almost no atmosphere. But Monday NASA announced new evidence for seasonal liquid water on the surface of Mars - after teasing everyone with a ...
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