The question “Are We Alone in the Universe?” has been brought up and speculated on for thousands of years. My answer to the above question is I don’t know. I will not try to give you answers in this essay, because as of now nobody knows the answer. I will merely speculate on this subject based on the information we obtain at present. The question of UFO’s and intelligent life on other planets …showed first 75 words of 2833 total…

…showed last 75 words of 2833 total…source, but so far with no success. Radio signals do seem a logical way to send messages over big astronomical distances, but an alien society with a lot more advantage in technology could be using something very different. With thousands years advantage, they may have technology beyond our comprehension It is possible that when they had radio signals, if they ever used them, we had no radio receivers and their information could not reach us.