Grey aliens [1] are the most commonly encountered type of space alien by humans, accounting for 43% of reported alien encounters in the US [2]. The similarity in the configuration of their bodies to that of ours and the observed variation in their bodies have been difficult to explain, and have led many to believe that the reported encounters did not actually occur. [1§Evolutionary feasibility debate]
In the context of human colonization beyond our solar system, it has been proposed that we send humans who are genetically modified to be better adapted to the environments they will find on the planets they are to colonize. [3][4][5][6]
Time travel may exist in the future, especially with the explosion of technology that is just starting these days and will likely be enhanced a great deal by having many more billions of humans on several planets developing technology.
Therefore, I propose a theory to explain Greys: They are distant-future genetically modified descendants of humans who come back in time to visit us, possibly even to plant the seeds of their own existence.
This is effectively the inverse of another theory that has been proposed and declared nonsensical: They visited Earth throughout our evolutionary history and guided our evolution to produce beings similar to themselves. [1§Evolutionary feasibility debate][7]-- notexactly, Apr 01 2016 [1] Wikipedia: Grey alien https://en.wikipedia.org/wiki/Grey_alien [notexactly, Apr 01 2016] [2] Close encounters of the fourth kind : alien abduction, UFOs, and the conference at M.I.T. https://www.worldca...t-mit/oclc/32390030cited by [1] [notexactly, Apr 01 2016] [3] Genetic Literacy Project: Genetically engineering life forms to travel and colonize space https://www.genetic...and-colonize-space/ [notexactly, Apr 01 2016] [4] The Future of Human Evolution: Human Genetic Engineering and Adaptability: The Ultimate Weapon of Survival http://futurehumane...apting-for-survival [notexactly, Apr 01 2016] [5] Space.com: Biologist: Space Travelers Can Benefit From Genetic Engineering http://www.space.co...ic-engineering.html"Biologist" being J. Craig Venter [notexactly, Apr 01 2016] [6] Institute for Ethics & Emerging Technologies: Modified Humans: the Most Cost-Efficient Way to Colonize Space http://ieet.org/ind...e/pelletier20120630 [notexactly, Apr 01 2016] [7] Wikipedia: Prometheus (2012 film) https://en.wikipedi...metheus_(2012_film) [notexactly, Apr 01 2016] THE GREY ALIEN / HUMAN EVOLVED THEORY http://arcturi.com/...nevolvedtheory.htmlThis is, [notexactly], not exactly an original concept. [tatterdemalion, Apr 02 2016] Repo Man (1984) https://www.youtube...watch?v=vRJ5cCP0ZPEMovie CLIP - Flying Saucers & Time Machines [tatterdemalion, Apr 02 2016] //not as crazy as it sounds// -- obligatory [marked-for-tagline]-- theircompetitor, Apr 01 2016 So, you're suggesting that in the future, anal probing will become some sort of craze?-- MaxwellBuchanan, Apr 02 2016 How do I un-see the resultant biometric crossover cable?-- whatrock, Apr 02 2016 The grey aliens are frequently described as being telepathic. Where did we get the genes for that? Also, they seem to only fly at night, and are described as having huge eyes, implying they are nocturnal. Why would we need to do that to our descendants?-- Vernon, Apr 02 2016 If only there were some way of capturing those gray aliens, finding out how much they owe and making them pay.-- bungston, Apr 02 2016 // I propose that we don’t keep the knowledge in our heads... Then when we fart, our understanding joins the air out there... //
So our brains are cloud transceivers and farting updates the knowledge bank in the cloud. I love it. Genius!-- whatrock, Apr 02 2016 This would make cows amongst the greatest contributors to earthly knowledge.-- MaxwellBuchanan, Apr 02 2016 Also, isn't it more likely that the grey aliens would be genetically modified elephants or dolphins? A dolphin might find hands very useful, whereas a human would not find it useful to become grey.-- MaxwellBuchanan, Apr 02 2016 is too.-- pashute, Apr 02 2016 random, halfbakery