The Search for Extraterrestrial Intelligence, or SETI, is turning to individual citizen -scientists to help fine-tune its complex algorithms that search for patterns in. The race to find intelligent life, or any life at all, beyond Earth has been a heated space scramble for decades. Even though no concrete. Last night Stargazing Live revealed four new alien planets, teasing us with the prospect of alien life. But if we ever meet aliens, what will they be.