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A new study has found that ancient Mars may have been able to support a large population of microscopic organisms. The study suggests the microorganisms might have been growing just beneath the Mars surface about 4 billion years ago.
The ancient microbes on Mars, according to computer simulations, may have produced methane which caused climate cooling.
Early in its history, the red planet likely would have been habitable to methanogens, microbes that make a living in extreme habitats on Earth, according to a study that simulated the conditions on a young Mars.
Researchers at the University of Arizona's Department of Ecology and Evolutionary Biology simulated the conditions that hypothetical life forms would have
If the hydrogen-gobbling, methane-producing microorganisms existed, they would have caused their own demise