The red planet was once awash in water, say scientists -- not boiling water, but benign seas that may have been suitable for life.
"There was apparently pervasive water present during the first 600 to 700 million years," said Brown University geologist John Mustard, co-author of a paper scheduled to be published today in Nature.
http://blog.wired.com/wiredscience/2008/07/water-water-eve.html
