"Planet Earth Report" --Alien Life Does Not Exist, China's 'Ghost' Satellite, to the Flat-Earth Movement (A 'Galaxy' 2017 Most Viewed)

This week's link to 10 headline stories from around the world on the threats, opportunities, and dangers facing our fragile planet --along with an occasional dash of humor, popular culture, and an intriguing conspiracy theory or two. Coverage includes: A...