I believe there are aliens out there. Given the size of space it's hard to believe that there isn't at least one other planet that can support life. No idea if they're on earth or even have knowledge of its existence though. They might just be like us wondering if there's other life forms out there.
Scientists investigate that which already is; Engineers create that which has never been -Albert Einstein Wanting: Golden Sun DD, Conduit 2, Starcraft 2, Civ V