r/scifi is a subreddit with 4.5M members. The community frequently discusses scifi, sci fi, books, book, and worst, and they frequently recommend/review sci-fi books, sci-fi literature, and sci-fi novels, and the most common flair used is original content, general, recommendations, films, and print.
Welcome to r/scifi, a home for all things science fiction, the heart of speculative fiction.
Join the discussion about your favorite books, authors, movies, shows, comics, and games — anything with a touch of science and imagination.
Popular Topics in r/scifi
#1
Scifi
31 posts
#2
Sci Fi
24 posts
#3
Books
20 posts
#4
Book
15 posts
#5
Worst
14 posts
#6
Struggling
13 posts
#7
Hate
13 posts
#8
Movies
12 posts
#9
Annoying
10 posts
#10
Space
10 posts
Products Discussed in r/scifi
Sci-fi Books
588 reviews
#1
Adrian Tchaikovsky
4.7★ from 14 reviews
#2
Iain M. Banks
4.9★ from 11 reviews
#3
Andy Weir
4.8★ from 11 reviews
Sci-fi Literature
142 reviews
#1
Isaac Asimov
4.8★ from 5 reviews
#2
Orson Scott Card
4.8★ from 4 reviews
#3
Frank Herbert
4.5★ from 4 reviews
Sci-fi Novels
96 reviews
#1
Alastair Reynolds
4.7★ from 7 reviews
#2
Jack McDevitt
4.7★ from 3 reviews
#3
Stephen Baxter
4.7★ from 3 reviews
Flair Used in r/scifi
#1
Original Content
: "My Star Trek birthday :)"
17 posts
#2
General
: "Just read "The Metamorphosis of Prime Intellect" and It Was Crazy Good"
12 posts
#3
Recommendations
: "Just curious, but does anyone know of a book or story that takes place on a ‘Rungworld’ mega structure?"
11 posts
#4
Films
: "This movie has a ton of flaws, but one thing I always appreciate is its dedication to portraying the impact of space exploration on the human psyche"
8 posts
#5
Print
: "Recently started Neuromancer"
7 posts
#6
TV
: "Who is going to pick up Doctor Who?"
6 posts
#7
Games
: "ruined planet (from stellaris)"
4 posts
#8
ID This
: "John Christopher (?)"
4 posts
#9
Art
: "[BY ME] Art that I finished recently, what do you think is the story behind it ?"
2 posts
Member Growth in r/scifi
Yearly
+77k members(1.8%)
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Last updated: October 1, 2026