fossalized microbes have been found on mars fact, and since microbes are living things, that is undeniable proof that there was once life on mars, aswell as water.
as for life bigger than microbes, out of all the billions and billions of planets out there in a place we humans have only scraped the surface of, you seriuosly teling me that you think this is the only planet with life? thats crazy, i aint saying that there flying round in space ships, there could be animals, aquatic life, bactirea, all these would be extraterestrial life, but in my opinion, ithink there is some fairly advanced races out there, naybe not as advanced as us, naybe more, who knows?
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