Hard times on planet Mars

NASA's continuing exploration of the red planet has turned up fresh proof for a very watery past, but officials are still very cautious about suggesting any form of life may have swum these ancient seas. The latest results from the Opportunity rover at it's Meridiani Planum landing site suggests that at some point in the distant past, the land was acidic, oxidizing and sometimes wet. Unfortunately, not good conditions for life to arise. More can found at MSN.