Top 20 Best Alien Documentaries Welcome to WatchMojo, and today we’re counting down our picks for the most captivating documentaries and docuseries that cover the fascinating possibilities of visits ...

Grey Aliens, sometimes called Zeta Reticulans, Roswell Greys, or just Grays, are defined by their humanoid forms, long limbs, large black eyes, small noses, thin mouths, and of course, gray skin or ...