Science fiction has produced some of the most imaginative and creative stories in comics. There are heroes who fight battles in space, adventures on alien planets, advanced technology, alien races, and worlds far beyond ours. From family-friendly tales to spine-tinglers, these imaginative comics entertain readers of all ages.

Throughout The Overstreet Comic Book Price Guide’s history, publisher Robert M. Overstreet and his team have studied the collecting market of science fiction and other genres of comics. Here, we present the top sci-fi comics from 20 years ago, in 2005’s the Guide #35.

#1 – Mystery in Space #1 – $4,800
#1 – Strange Adventures #1 – $4,800
#3 – Showcase #17 – $3,800
#4 – Showcase #15 – $3,150
#5 – Journey Into Unknown Worlds #36 – $3,100
#6 – Fawcett Movie #15 – $3,000
#7 – Strange Adventures #9 – $2,900
#8 – Weird Fantasy #13 (#1) – $2,800
#8 – Weird Science #12 (#1) – $2,800
#8 – Weird Science-Fantasy Annual 1952 – $2,800