Tiny rock-eating microbes could mine precious extraterrestrial resources from Mars and pave the way for the first human colonists. Just don't expect them to transform the Red Planet's surface into a new Earth on a short deadline, researchers say.

Who's to say there aren't indigenous Martian microbes?  That all important question remains unanswered.  And until that question is definitively answered, there should absolutely be no efforts made whatsoever to deliberately contaminate Mars by trying to terraform it.  To read the rest of the article, click here.