Astronomy
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Kepler 22b, could contain microorganisms
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There are lots of planets that could contain even evolved life or extremophiles.
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Even prokaryotic life could exist with eurkryotic life forms. Theres tons of planets that need, to be found and explored.
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I suppose I'll add my input. Think about the fact that life was created here, on Earth. Then consider how far it has come in the 1.5 billion years since the first archaic bacteriite started reproducing. Some of these extrasolar planets have been there for a much longer time, circling their smaller stars that will last for billions of years more. They have had so much time to develop the necessary organic molecules to create life, that I find it a statistical impossibility that life does not exist somewhere else even in the Milky Way. And if it doesnt, then it will.
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Panspermia.
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Didn't they already do? I think they launched a rover that tested the ice-caps for water, but not to check for microbial life :\
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Mankind has made animals go extinct and so has earth. But we have not hurt this planet that bad. Earth has seen higher CO2 than we have ever produced. But the Homo species is a genus, of destruction,war,extinction, and brilliant scientist.
Life on the red planet be underground and so could be water.
