Life on Mars? Scientists receive boost in hunt for aliens on the Red Planet
They believe seismic activity could have created enough hydrogen and micro-organisms to sustain some form of living being.
Boffins at Yale University in the USA, co-ordinated by Sean McMahon, published their findings in the scientific journal Astrobiology.
The research team formulated the data after studying active faults in Scotland's Hebridean Islands.
They found friction caused by earthquakes creates new rocks containing tiny pockets of hydrogen that would favour the appearance of life-form.
Dr McMahon said: "A previous study had suggested hydrogen is formed during earthquakes when... read more