"Scientists have discovered water that has been trapped in rock for more than a billion years. The water might contain microbes that evolved independently from the surface world, and it's a finding that gives new hope to the search for life on other planets. The water samples came from holes drilled by gold miners near the small town of Timmins, Ontario, about 350 miles north of Toronto." Water Trapped For 1.5 Billion Years Could Hold Ancient Life | 
