Beyond the faintest Star; at the bottom of a Black-Hole; or hidden in higher-dimensions, ground-breaking science now suggests that there might be more than one version of reality. Are there parallel Universes? Is there more than one of you? We could all be living multiple parallel lives. Because as scientists explore the outer reaches of physics of the cosmos, they are beginning to believe that parallel universes do exist, and that they might determine the fate of humanity.