Being honest, leaving the possibility of aliens existing out, are you even sure that we exist? Like, how do you know that we do exist? Our senses could always be fooled, eyes, ears, nose, everything could always be controlled. For all I know, I could be the only thinking being and the rest of y'all are just a simulation, or better yet, I could just be an advanced computer plugged into a wall and forced into a simulation. Our entire population and history and everything could've just been downloaded into our minds. Every thought I've had could have been programmed into my head by a fat guy eating a cheeseburger. We have no actual proof that we exist, let alone aliens