Enceladus is wild. It has heat from tidal forces and likely has deep sea hydrothermal vents, which is a predominate theory for how life started on Earth. Probes have also detected traces of life supporting elements such as carbon, hydrogen, nitrogen, sulfur, oxygen, and recently phosphorus.
Lemmy.world initially cause I didn't like the overbearing moderation and locked communities of beehaw.org and the developers of lemmy.ml. Kbin seems to be great and I prefer its timeline / sorting, I just wish it was a bit more polished with magazine syncing and certain UI features, but that should come with time.