Methane on Mars! Is it proof of life?

Scientists have discovered methane on Mars soil.

NASA’s “Curiosity rover mission” recently identified that there is cycle of methane produce on Mars seasonally, starting on the summer. The six-wheeled robot has also

These finds have intrigued astrobiologists, because methane is a possible biosignature. Though the gas can be produced by a variety of geological processes, the vast majority of methane in Earth’s air is pumped out by microbes and other living creatures.

Source: space.com

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