What is "Dune" (2021) an adaptation of, and when was the original work published?

Adaptation and publication details for "Dune" (2021):

• "Dune" (2021) is an adaptation of the novel of the same name by Frank Herbert.
• The novel was published in 1965.

Answer: "Dune" (2021) is an adaptation of Frank Herbert's novel, published in 1965.