Mars has right ingredients for present-day microbial life beneath its surface, study finds — ScienceDaily

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As NASA’s Perseverance rover begins its search for ancient life on the surface of Mars, a new study suggests that the Martian subsurface might be a good place to look for possible present-day life on the Red Planet.

The study, published in the journal Astrobiology, looked at the chemical composition of Martian meteorites — rocks blasted off of the surface of Mars that eventually landed on Earth. The analysis determined that those rocks, if in consistent contact with water, would produce the chemical energy needed to support microbial communities similar to those that survive in the unlit depths of the Earth. Because these meteorites may be representative of vast swaths of the Martian crust, the findings suggest that much of the Mars subsurface could be habitable.

“The big implication here for subsurface exploration science is that wherever you have groundwater on Mars, there’s a…

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