[The venerable American institution in what looks to be a complete archive][link] on Google Books, going back to [January 6th, 1981][first].
[link]: http://books.google.com/books?id=4PQDAAAAMBAJ “Weekly World News – Google Books”
[first]: http://books.google.com/books?id=b-8DAAAAMBAJ&source=gbs_all_issues_r&cad=1 “Weekly World News from January 6th 1981”