From Ian Johnston at Independent:
Mars is almost devoid of surface water with areas that are drier than the driest deserts on Earth – so any life would have to be “far below the surface” to survive, scientists have said.
An international team of researchers looked for evidence of rust on metals in meteorites that have hit the Red Planet as a way to gauge the level of moisture.
A previous study found evidence that very salty water might be able to condense on the Martian surface.
But the new research, led by Stirling University academics, suggests only a tiny amount of liquid is being produced in this way. More.
See also: Don’t let Mars fool you. Those exoplanets teem with life!
How do we grapple with the idea that ET might not be out there?
Did Viking discover life on Mars forty years ago?
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