Thank you for the replies. I think the meaning of my original post may have been misunderstood by some people, so I want to clarify what I was actually asking about. This topic is about AI, not aliens. The scenario I am interested in is the possibility that, within the next 10 years, humans develop humanoid robots powered by artificial general intelligence that eventually become far more intelligent and capable than humans. I mentioned aliens only as a hypothetical comparison. If a human encountered a living being that was 10 times more intelligent than them, an obvious real world explanation would be an extraterrestrial intelligence. But I then pointed out that this seems unlikely to happen. The much more realistic possibility is that humans themselves create something that reaches this level of intelligence. That is the actual question I am interested in: what happens when humans create machines that are vastly more intelligent, faster, stronger, and potentially more capable than we are? Would humans be able to coexist with them? Would we be able to control or contain them? And, perhaps most importantly, what would those machines decide to do once they were capable of making their own decisions and pursuing their own objectives? The point is not that aliens are coming, that aliens will attack Earth, or that extraterrestrials will take over the planet. The point is that humanity may eventually create its own form of nonhuman intelligence, and that could produce outcomes that are very different from the usual fictional scenario of AI simply deciding to eventually destroy humanity. My original post was intended to explore that possibility. Thank you.