Dune Babies
https://www.nytimes.com/2006/09/24/books/review/Itzkoff.t.html
A 2006 NY Times retrospective on the original six Dune books.
Frank Herbert on the origins of Dune (1965)
https://www.youtube.com/watch?v=A-mLVVJkH7I
A lengthy interview with Frank Herbert on the origins and influences behind Dune.
Dune, 50 years on: how a science fiction novel changed the world
https://www.theguardian.com/books/2015/jul/03/dune-50-years-on-science-fiction-novel-world
Guardian article detailing the massive influence Dune had on the subsequent five decades of science-fiction writing.