We Want to Believe We have always been interested in the unknown, asking questions such as: Is there something more to this life? Are we alone, or is another life form planning on visiting us? When we look to outer space, we sometimes hope to see a sign of alien life, if only to make our lives slightly different and exciting. Extraterrestrial life has always been something at the back of our minds. In fact, about half the world’s population believes that there is life out there in the stars. Sci-Fi may have gotten some things right — maybe aliens…