And by aliens I mean, outer space creatures and UFO. For whatever reason all UFO sighting footage looks either fake or like recorded with a Casio keyboard. And I find hard to believe we don’t have any decent footage of them with all the surveillance and technology we have now.
Edit: 🍿
Our current physical theories suggest that there is no “shortcut” to travelling between the stars and it will likely not become any easier with future technology. There is no way around light speed and conservation of momentum.
I don’t doubt that alien civilizations would want to visit if they knew we existed - we certainly would want to visit another civilization if we knew it existed. But the problem is that it’s just not physically feasible. The most likely scenario is that we achieve some kind of radio communication with another civilization.
That we know of, yet. We haven’t even had particle accelerators for a hundred years; let’s give it at least 500 years of scientific research and discoveries before we say definitively that we absolutely know, without any doubts, that there’s no way around conservation of momentum.
I ain’t saying there is a way; just that we are very young, and very immature.