Aliens SHOCK: ET could have ALREADY visited Earth, Nasa scientist claims ALIENS have already visited Earth and humans missed their arrival, a Nasa scientist said. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Eclipse 2018: When is the next Super Blue Blood Moon after 2018?BIG ONE WARNING: Huge California earthquake ‘INEVITABLE’ as more tremor hitsBlood Moon 2018 pictures: Incredible photos of Super Blue moon above ice topped mountainsUFO caught on shocking lunar eclipse video? Shock super moon alien claims go viralBlue Moon 2018: When is the next full moon? Is there a full moon in February?MEDICAL BREAKTHROUGH: Children given 3D printed ears in world first