Existence and Agenda Over the years, the question of whether other forms of life exist elsewhere in the universe has been a major source of controversy and heated debates among scientists, conspiracy theorists, scholars and other inquisitive individuals. At the center of this discourse has been the possibility that extraterrestrial forms of life, variously referred to as aliens, exist on a planet somewhere in the outer space. Those in support of this assertion have advanced numerous theories and arguments to the effect that indeed aliens do exist by citing mysterious incidences and accounts of people who claim to have encountered aliens.