Have We Already Found Alien Life?
Briefly

I think we are going to get a paper that has strong evidence for a biosignature on an exoplanet very, very soon.
A biosignature is basically a signal that's consistent with life but that may also be produced by something else.
So many people want this to be the year. There will definitely be claims... There won't be any robust findings.
Earth's atmosphere, for instance, contains both oxygen and methane... The only reason they are present and coexist is that they keep being replenished by some process.
Read at Intelligencer
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