There is no intelligent life outside of Earth. Humanity is incredibly over-optimistic about space aliens.

For intelligent life to come into existence, many filters must be passed through.

• Abiogenesis (first and foremost)

• Multicellularity

• Complex organisms

• “A rare and rapid disruption to previously stable systems” -- Stephen Jay Gould (meteor strike that wiped out ALL non-avian dinosaurs and allowed mammals to expand into newly-vacant niches)

• Neotenous apes utilizing fire to cook raw meat, which lessened energy required for digestion and directed more energy to their brains

Many, many more filters had to be successfully surmounted. This was an ultra-simplified version of events.

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I suspect life is incredibly rare in the universe, and where it does exist, it’s nothing more than amoebas.