"Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us."
-Bill Watterson
Without new physics that isn’t even remotely visible on the horizon, this isn’t going to happen. Robotic AI probes sent to other star systems to send back telemetry? Sure. Flesh bags sent to self-replicate on terraformed worlds out in the stars? Not a whisper of a microscopic chance.
[1]https://www.wcrf.org/preventing-cancer/topics/meat-and-cance... [2]https://www.sciencedirect.com/science/article/abs/pii/S03088...