Interesting thought, but once we find Aliens, then we ourselves also become Aliens...too the other species. Indeed if you look up the definition in dictionarie

Interesting thought, but once we find Aliens, then we ourselves also become Aliens...too the other species. Indeed if you look up the definition in dictionaries for the word "Alien" you get definitions all routed in `fear of the unknown`. For example Colins: https://www.collinsdictionary.com/dictionary/english/alien https://www.collinsdictionary.com/dictionary/english/alien Makes you wonder how things can be interpreted and some extraterrestrial species did discover us, would they have the same fear of the unknown definition.