• Are aliens hiding in plain sight? https://www.theguardian.com/science/2020/sep/05/are-aliens-hiding-in-plain-sight 2 comments 6/9/2020
• Hiding in plain sight? The argument for invisible aliens (2020) https://now.northropgrumman.com/hiding-in-plain-sight-the-argument-for-invisible-aliens/ 126 comments 7/12/2022

• Are Aliens Hiding In Plain Sight? https://www.theguardian.com/science/2020/sep/05/are-aliens-hiding-in-plain-sight 7 comments 5/9/2020 aliens
• Northrop Grumman asks, “Hiding in Plain Sight? The Argument for Invisible Aliens” https://now.northropgrumman.com/hiding-in-plain-sight-the-argument-for-invisible-aliens 37 comments 10/11/2020 aliens