No life in Mars

Report From Miles O'Brien and Kate Tobin (CNN).

NASA's Phoenix lander has discovered a toxic chemical in soil near Mars' north pole, dimming hopes for finding life on the Red Planet, the probe's operators said Monday.

The new findings from Phoenix cast into further doubt the possibility that life exists on Mars' surface. But they do not rule out the possibility that life once existed, nor do they necessarily rule out the possibility of life existing now, perhaps in a deep underground aquifer.


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