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Methane-Spewing Martians?
A research team, funded as part of the Astrobiology Science and Technology Instrument Development and Mission Concept Studies (ASTID), is building optical devices that may help scientists understand if methane on Mars could be a sign of life. The recent discovery of methane in the atmosphere of Mars raised the question of whether or not the gas could be produced by living organisms. The team hopes their instruments will be able to measure isotopic abundances in methane signatures that could distinguish a biological origin from a geological one.Source: [Astrobiology Magazine]
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