The space craze is in full swing right now, with private companies like SpaceX taking steps to make space travel accessible to civilians and government organizations such as NASA promising to get astronauts on Mars by 2033. While exciting, space still poses many unanswered questions to scientists: What is dark matter? What came before the Big Bang? How do stars explode? While these questions are interesting, there is one question that has fascinated humans for millennia: Do aliens exist? The following pictures feature answers from SPA students, pondering the existence of unique life forms from other planets.