The following article by Jim Marrs written for Galaxy Press addresses the issue of UFOs, aliens and alien invasion initially from the perspective of fiction literature and then from documented incidents.
https://battlefieldearth.com/wp-content/uploads/2018/02/Alien_Invasion_74046092.jpg 259 750 Terl https://battlefieldearth.com/wp-content/uploads/2019/03/be-logo_HD_Purple.png Terl2018-02-28 19:35:402019-03-14 11:19:39Jim Marrs Discusses: Is Earth Prepared for an Alien Invasion?
https://battlefieldearth.com/wp-content/uploads/2018/02/Are-aliens-real-feature.jpg 239 750 Terl https://battlefieldearth.com/wp-content/uploads/2019/03/be-logo_HD_Purple.png Terl2018-02-21 18:52:442019-03-14 11:46:55Are Aliens Real: And Will They Be Good or Bad for Us?
We wanted to know what people on the street thought of the existence of alien life. So we interviewed public at a science fiction convention. See what they had to say.