A young Mars most likely to support life, new mineral history shows

Mars started out relatively wet and temperate, underwent a major climate shift, and evolved into a cold, dry place strewn with acidic rock – less than ideal conditions for supporting life.

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<p><a href="http://www.physorg.com/news64764773.html">A young Mars most likely to support life, new mineral history shows</a></p> <p>Mars started out relatively wet and temperate, underwent a major climate shift, and evolved into a cold, dry place strewn with acidic rock – less than ideal conditions for supporting life. </p>