> considering the absolute massive size of the universe > and the almost certainty that there is more than one universe existing along side ours > i'd say it's equally plausible there is other entities involved as well that are not descended from us. i'm not so sure: the universe is huge as you said, so if there are aliens (as in from a different solar systems or even a different galaxy), i think it's highly likely these uaps are self-replicating probes. even we have sent probes, such as voyager 1 and 2, so there is no reason to think against a more advanced civilization literally spamming probes in all directions. maybe the probes each carry an agi with them. anyways i find it highly unlikely, but not impossible, that these uaps carry actual biological aliens, simply because i don't know why would they send biological versions of itself here or any other place in the universe. though it is possible that they send these probes with the facilities of producing biological entities, but the entities itself are only produced on-site on planets that they can actually inhabit and all the probes that never make it to such planets would never in the first place produce such beings.
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