If we could get a positive confirmation of just anything living - even if it's just oceans of plankton - then that would revolutionize our understanding of the

If we could get a positive confirmation of just anything living - even if it's just oceans of plankton - then that would revolutionize our understanding of the universe. Actual, viable, recognizable lifeforms of extra-solar origin changes the inputs to a lot of our ideas about where and who we are pretty substantially (also some rather unfortunate possibilities about the great filter).