Mars once was thought to be dead. Much evidence seems to suggest a different story in the past and may be even presently. Read more
Underground Plumbing System Discovered on Mars
By Ker Than
Staff Writer
posted: 15 February 2007
02:00 pm ET
http://www.space.com/scienceastronomy/070215_candor_chasma.html
Friday, February 16, 2007
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