Critical response was generally positive, with many critics noting the story's basis in science fact, rather than science fantasy.

A cursory study of commercial science fantasy would seem to confirm this contention.

The series combines elements of comedy horror, science fantasy, and drama.

It may be classified as science fantasy or planetary romance.

Dever was introduced to "science fantasy" by his high school English tutor.

The term "science fantasy" is sometimes used to describe such material.

The milieu is identified by the author as science fantasy.

This sounds like science fantasy but by degrees it only means an improvement of 5% a year.

The Star Wars series is often held up as the preeminent example of science fantasy in popular culture.

Ace Books published a number of books as science fantasy during the 1950s and '60s.