Attempts to contact extraterrestrial life are a waste of time and money:  Billions of dollars have been spent by a number of countries, principally the United States, on great projects seeking to make contact and signal extraterrestrials. None of these has received so much as a peep in reply. The reason for this is likely that intelligent life is an extreme rarity, with humanity its only exemplar in this part of the galaxy1. If there were intelligent life within receiving range of Earth-based transmissions, the extraterrestrials would have had ample opportunity to respond, or at least make their presence known. The fact that they have not suggests that there are no extraterrestrials within contactable range, or at least none with any interest in talking to Earthlings. If there were extraterrestrials on more distant planets, efforts to contact them would be pointless, as they would be so far away that communication would take many years and would be unreachable physically. Furthermore, the search for extraterrestrials violates reason. Money should only be spent on projects after phenomena worth analyzing have been detected. There is no evidence that intelligent lie other than our own exists at all. Trying to contact little green men in space is just a waste of time. 1 Ward, Peter. 2000. Rare Earth: Why Complex Life is Uncommon in the Universe. Philadelphia: Springer.