SETI = Search for Extra Terrestrial Intelligence
We have probably been searching of extra-terrestrial life now for about 50 years. Years ago, the famous Drake equation predicted the chances of finding intelligent life as quite high. All these years later we have still not found any signs! No sign of any extra-terrestrial life, let alone intelligent life.
Perhaps we are truly alone in the universe? Perhaps we are looking in the wrong way?
Should we succeed, it could be transformative. However, I am beginning to have my doubts.
Years ago I recall reading "We are not alone" by Carl Sagan. Perhaps we are alone?
Personally, I think we should keep looking, but I am quite surprised that we have found nothing at all.