Life is a weird thing, so weird we've only found it here on Earth. But what if we found it on other planets? It's a fun question to think about, so much so there's a whole science dedicated to it: Astrobiology. So, I'm here to discuss the wonderful world of Astrobiology, mainly talking about incredibly small microorganisms and the rather large planets they might live on. Oh, there might also be some "normal" biology in there since who doesn't love a bit of "normal" biology!