Are you on the hunt for the best sci-fi book blogs to fuel your science fiction reading habit? Look no further. We’ve compiled a comprehensive list of 50 outstanding English-language science fiction blogs that primarily focus on sci-fi books – from independent review blogs to large fan sites and publisher-backed platforms. These blogs deliver everything a sci-fi enthusiast could want: book reviews, author interviews, genre news, essays, and even the occasional dive into sci-fi movies or games. Read on to discover the top sci-fi book blogs to follow for your next great read.
Top 50 Sci-Fi Book Blogs to Follow
Tor.com (Reactor) – Tor.com is a leading site for science fiction and fantasy readers, featuring original short fiction, art, and commentary on all things genre. (Recently relaunched as Reactor, Tor’s online magazine) It publishes daily articles by authors and fans alike, covering sci-fi book reviews, thought pieces, and pop culture news in equal measure.
Locus Magazine – The online home of Locus, the long-running industry magazine that reviews science fiction, fantasy, and horror books and short fiction, while also covering publishing news and fandom happenings. It’s an essential resource for award news, author interviews, and insightful reviews from some of the genre’s top critics.
io9 (Gizmodo) – io9 is a sub-site of Gizmodo dedicated to science fiction and fantasy pop culture. It blends sci-fi book coverage with broader genre entertainment news, delivering lists of upcoming releases, recommendations, and commentary on everything from new space opera novels to the latest Marvel flicks. A go-to blog for staying updated on sci-fi in all media.
SYFY WIRE – The SYFY channel’s official news site (formerly known as Blastr) provides daily coverage of sci-fi, fantasy, and horror in all forms. SYFY WIRE is obsessed with genre storytelling – you’ll find breaking news on TV/film as well as book release announcements and author interviews. It’s a great high-level blog for fans who enjoy both science fiction literature and its screen adaptations.
Book Riot – Sci-Fi/Fantasy – Book Riot is one of the largest independent literary sites, and its Sci-Fi/Fantasy section is full of listicles, reading guides, and bookish commentary for genre readers. The blog discusses everything from the best sci-fi series to cozy science fiction and YA space operas. It’s a perfect mix of fun and informative, keeping you updated on must-read sci-fi books across subgenres.
Barnes & Noble Sci-Fi & Fantasy Blog – B&N’s official Sci-Fi & Fantasy blog (part of B&N Reads) highlights new releases, author guest posts, and “best of” lists curated by the Barnes & Noble team. Expect monthly picks, staff recommendations, and exclusive excerpts or Q&As with authors. This blog is a handy guide to popular and upcoming sci-fi titles in the mainstream, straight from a major bookseller.
New Scientist – Science Fiction – Yes, even New Scientist has a sci-fi books corner! This science magazine’s website runs a dedicated Science Fiction topic page, featuring the best new sci-fi book picks each month, interviews with leading science fiction authors, and in-depth reviews. It’s a unique blend of real science perspective and sci-fi literature, perfect for readers who like their fiction with a side of fact.
Clarkesworld Magazine – Clarkesworld is an award-winning science fiction & fantasy magazine that not only publishes short stories but also offers interviews and non-fiction articles. The site’s blog features insightful essays and editorials about the genre, plus free access to dozens of new sci-fi short stories every year. Following Clarkesworld gives you a pulse on cutting-edge SF writing and author viewpoints in the field.
Strange Horizons – Strange Horizons is a pioneering online speculative fiction magazine known for its insightful weekly content. It publishes thought-provoking science fiction and fantasy book reviews, critical essays, and new short fiction. The reviews on Strange Horizons are often in-depth and nuanced, offering analysis of themes and context that serious sci-fi readers will appreciate. (This magazine is frequently praised for the quality of its SFF criticism and diverse range of voices in the genre community.)
Uncanny Magazine – The Uncanny Magazine blog delivers a mix of free short stories, poetry, and essays, but it’s also a great source of sci-fi book-related content. Uncanny prides itself on publishing diverse, thought-provoking works. You’ll find interviews with authors, discussions of science fiction tropes, and occasionally reviews or personal essays that delve into what makes speculative fiction meaningful. It’s an award-winning publication with a mission to challenge and inspire readers.
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11. Lightspeed Magazine – Lightspeed is another acclaimed online magazine specializing in science fiction (and fantasy). Its website’s Science Fiction section showcases a wealth of short SF stories, plus author spotlights and occasional review roundups. Following Lightspeed gives you free access to new science fiction stories each month, as well as insight into emerging authors. (Lightspeed’s editorials and author interviews often illuminate the craft behind the stories, enriching your reading experience.)
12. SFFWorld – One of the oldest genre websites around, SFFWorld features the best in Science Fiction, Fantasy, and Horror with a variety of content. You’ll find book reviews, author interviews, guest posts, and active discussion forums. SFFWorld has been a community hub for SFF readers for decades, making it a rich source of recommendations and genre news from a team of experienced contributors.
13. Fantasy Literature – Despite the name, Fantasy Literature covers science fiction as well as fantasy. This comprehensive review site posts new SFF book reviews almost daily. With a large team of reviewers, FanLit offers a range of opinions and tastes, plus convenient features like sortable best-of lists and year-by-year archives. It’s an excellent blog to scour for both classic sci-fi and the hottest new releases (including audiobooks).
14. Nerds of a Feather, Flock Together – Nerds of a Feather is an award-winning fanzine-style blog (Hugo and Ignyte Award winner) that covers all things nerdy in sci-fi/fantasy. This blog publishes intelligent reviews of science fiction books, commentary on comics and video games, and fun recurring features – all with a fan’s enthusiasm and a critic’s insight. The team’s yearly “Best of” lists and award recommendation lists are particularly respected in the community.
15. Fantasy Book Critic – Active since 2007, Fantasy Book Critic is a long-running blog devoted to speculative fiction in all its forms. Multiple contributors review science fiction, fantasy, horror, and YA books on this site, often in-depth. They also host author guest posts and cover self-published gems. With its extensive archives and consistent output, Fantasy Book Critic is a goldmine of sci-fi book reviews for readers to explore.
16. Pat’s Fantasy Hotlist – A veteran of the genre blogosphere, Pat’s Fantasy Hotlist has been sharing fantasy and science fiction book reviews, author interviews, news, contests, and giveaways for well over a decade. Pat’s engaging, no-nonsense style and early scoops (like bestseller news and cover reveals) made this blog hugely popular. It remains an active source of reviews and genre buzz, especially for epic fantasy and space opera fans.
17. Fantasy Cafe – Fantasy Cafe is dedicated to reviewing and discussing speculative fiction books of all kinds – including plenty of science fiction alongside fantasy. Run by blogger Kristen, this site highlights adult and YA sci-fi novels, often with an eye for diverse and underrepresented voices. Every April, Fantasy Cafe also hosts an acclaimed “Women in SF&F” event featuring guest essays. The blog’s thoughtful reviews and genre discussions make it a cozy corner for sci-fi book lovers.
18. Sci-Fi & Fantasy Gazette – SFFGazette.com is dedicated to reporting breaking science fiction and fantasy news, as well as providing unique content including interviews, lists, and reviews. Whether you’re looking for the latest sci-fi movie trailer or updates on top new sci-fi novels, this site has something for everyone. The blog’s blend of media news and book coverage means you get a broad snapshot of the sci-fi zeitgeist.
19. The Portalist – The Portalist is an inclusive site for science fiction and fantasy fans, celebrating great SF/F that might otherwise get lost in the din. It features a mix of book lists, reading guides, and genre news, often with a nostalgic or tech-savvy twist. You might find articles on “10 Underrated Space Operas” alongside pieces exploring real scientific developments that echo sci-fi themes. The Portalist’s mission is to champion imaginative stories and the people who love them.
20. Black Gate – Black Gate is an online magazine of “Adventures in Fantasy Literature” that also delves into science fiction. This Hugo Award-winning site offers a treasure trove of retro SF book reviews, essays, and interviews. The contributors often revisit classic and pulp-era sci-fi (as well as fantasy), keeping those older works alive for new readers. If you enjoy deep dives into genre history and thoughtful commentary on both vintage and modern sci-fi, Black Gate is a must-follow.
21. Grimdark Magazine – Fans of darker science fiction will appreciate Grimdark Magazine’s blog. Grimdark is primarily known as a magazine and publisher for gritty fantasy, but its website features a robust book review section covering plenty of sci-fi – especially dystopian, military, and grim future tales. Expect honest, unflinching reviews and articles that explore the shadowy side of speculative fiction. This is the blog that champions books where the futures are bleak and the heroes anti-heroic.
22. The Skiffy and Fanty Show – Skiffy and Fanty is a Hugo Award-nominated blog and podcast that covers all aspects of science fiction and fantasy fandom. On the blog, you’ll find book reviews, movie discussions, author interviews, and thematic podcast episodes. They have fun series like “Torture Cinema” (bad movie reviews) and an emphasis on diverse and international voices in SFF. Skiffy and Fanty’s conversational tone makes you feel like you’ve pulled up a chair with fellow geeks to chat about the latest space opera or superhero show.
23. The Fantasy Inn – Don’t let the name fool you – The Fantasy Inn loves science fiction too. This is a group-run blog (with seven members across six countries) that shares reviews of fantasy and sci-fi books, along with author interviews and industry discussions. They even run a podcast. The Fantasy Inn crew are passionate readers who champion both blockbuster novels and indie gems, so their blog is a fantastic mix of big titles and under-the-radar sci-fi finds. The friendly, fan-centric vibe makes it feel like an online inn for speculative fiction lovers.
24. The SFF Community Blog – Born from a network of genre enthusiasts, the SFF Community Blog is a collaborative effort aimed at producing quality info for sci-fi/fantasy fans. Content here ranges from book reviews and TV series recaps to comic and game commentary, whether it’s a newly released hit or a classic throwback. This blog’s strength is its community-driven approach – multiple voices offering recommendations and insights – which gives it a welcoming, fan forum feel.
25. Sci-Fi Bloggers – Sci-Fi Bloggers is an online magazine focused on sci-fi and fantasy entertainment of all kinds. True to its name, it covers science fiction movies, TV shows, books, video games, and more. The blog’s book content includes reviews of popular sci-fi novels and book-to-film comparisons, all written in a fun, accessible style. If you like your sci-fi book news served with a side of geek pop culture, Sci-Fi Bloggers is a lively site to follow.
26. SFBook.com – SFBook (also known as SF Book Review) is one of the internet’s oldest sci-fi book review sites, founded back in 1999. This non-profit site is dedicated to science fiction, fantasy, and horror novels, striving to feature only the very best in speculative fiction. The reviewers at SFBook.com write personal, constructive reviews and have built up a vast archive over the decades. It’s a venerable resource for discovering both classic and new sci-fi books, curated by true genre aficionados.
27. SFcrowsnest – SFcrowsnest is a UK-based sci-fi and fantasy webzine that’s been around for ages (since the 1990s). It offers a steady stream of book reviews, news, and the occasional interview. The site covers a wide range of SF/F literature – from hard sci-fi novels to media tie-in books – often in a concise, summary style. SFcrowsnest’s retro, no-frills layout hides a wealth of content updated monthly. It’s a solid old-school sci-fi blog for readers who want quick takes on what’s new or interesting in the genre.
28. Queer Sci Fi – Queer Sci Fi is a blog and community site all about LGBTQ+ characters and creators in science fiction, fantasy, paranormal, and horror fiction. The blog promotes inclusivity in the genre, with regular posts such as book announcements, author spotlights, discussion topics, and reviews focusing on queer representation. It’s an excellent hub if you’re looking for sci-fi books with LGBT characters or you want to keep up with queer voices in SFF publishing.
29. Dina’s Science Fiction & Fantasy Book Reviews – Dina’s personal blog (often just called SFF Book Review) is where she has been sharing her thoughts on sci-fi and fantasy books since 2012. Whenever Dina finishes a book and has enough to say, she posts a review – resulting in an archive full of honest, heartfelt opinions on hundreds of titles. This blog’s charm lies in its personal touch: it feels like getting recommendations from a well-read friend. Dina covers everything from beloved genre classics to new releases.
30. FanFiAddict – FanFiAddict is a multi-contributor blog created by a team of readers united by their love of fantasy and science fiction. They publish a high volume of book reviews (both traditionally published and indie), plus interviews with authors and blog tours. The mission is to help fellow fans find great books and make informed purchases. FanFiAddict’s enthusiasm is infectious, and with so many contributors, the blog offers a variety of perspectives on the latest in SFF.
31. Booklover Book Reviews – Sci-Fi/Fantasy – Booklover Book Reviews is a long-running Aussie book blog by Jo, and she has a dedicated Sci-Fi/Fantasy section. Jo started the site in 2009 and blogs about books almost as much as she reads them! In the sci-fi category, you’ll find her reviews of everything from thought-provoking speculative fiction to fun space adventures, all accompanied by her personal insights. It’s a one-woman blog with a broad taste in books and a friendly reviewing style.
32. Review Tales – Science Fiction – Review Tales is the blog of Jeyran Main (editor-in-chief of Review Tales Publishing & Editing Services), who also happens to be a prolific book reviewer. The Science Fiction section of her site is packed with sci-fi book reviews. Jeyran has worked with many publishers and authors, and she brings a professional critic’s eye to her reviews. If you browse her sci-fi category, you’ll find a mix of indie and mainstream titles analyzed in a thoughtful, structured manner.
33. Top Sci-Fi Books – As its name suggests, TopSciFiBooks.com is all about helping you find the best science fiction books out there. This site curates countless list posts: “Top 25 Space Operas,” “Best Sci-Fi Books of the 21st Century,” and so on. It scours the internet and fan ratings to compile recommendations, categorizes them by subgenre, and often provides purchase links for convenience. It’s an incredibly handy blog if you’re looking for curated lists or “where to start” guides in various corners of sci-fi.
34. Best SF – Best SF is a specialized blog that has been reviewing science fiction short stories for over 15 years. It offers concise reviews of the latest short fiction from magazines and anthologies, and it boasts a huge archive of past story reviews. For fans of sci-fi short stories – or writers looking to study the field – Best SF is an invaluable resource. The blog’s simple index makes it easy to find commentary on specific authors or publications. It’s a labor of love that has diligently catalogued a big slice of the genre’s short fiction output.
35. Worlds Without End – WWEnd is not just a blog but a whole database of science fiction, fantasy, and horror literature. The site is designed to help you find the books you crave, offering reading lists, author info, and user ratings. The Worlds Without End blog portion features reading challenges, member reviews, and announcements of genre award finalists. It’s a community-driven haven where you can track your reading and discover new titles through curated lists (like award winners or “best of” compilations). The depth of its database makes it a unique tool for sci-fi book lovers.
36. The Wertzone – The Wertzone is a hugely respected blog run by British blogger Adam Whitehead, who has been reviewing an impressively wide range of fantasy and science fiction books (and sharing genre news) since 2006. The Wertzone delivers thoughtful, long-form reviews and is known for detailed updates on upcoming novels and TV adaptations of SFF works. Adam’s insider knowledge (and occasional book scoops) make this blog a treasure trove for hardcore fans. If you want deep dives into epic fantasy series, updates on the Game of Thrones TV franchise, or analysis of the latest space opera, The Wertzone has you covered.
37. The BiblioSanctum – The BiblioSanctum is a book blog for speculative fiction and graphic novels, run by a trio of proud geeky moms. This team (Mogsy, Tiara, and Wendy) reads widely and posts reviews and discussions on science fiction and fantasy books (as well as the occasional comic or board game). Their content is both enthusiastic and analytically sharp. The BiblioSanctum also participates in community events like Sci-Fi Month, so it’s very much plugged into the fandom. Following this blog feels like joining a book club of friends who share all their candid thoughts on the latest reads.
38. Novel Notions – Novel Notions is a collaborative blog by several passionate readers from around the world. Together, they offer in-depth book reviews of fantasy and science fiction titles, often with each member contributing their own perspective. The site also features author interviews, cover reveals, and group posts (like their “favorite books of the year” round-ups). The Novel Notions team reads everything from popular series to self-published finds, and their well-written reviews reflect a genuine love of story. It’s a classy, content-rich blog that has quickly made a name for itself in the SFF community.
39. Spells & Spaceships – Spells & Spaceships is a UK-based SFF blog run by Alex, who started it in 2019 out of sheer passion for the genre. Billed as “a SFF, horror and history blog,” it brings you book reviews, insights, and discussion on a range of sci-fi/fantasy books. Alex’s specialties include dark fantasy and anything with a Norse or medieval flair, but he also covers plenty of science fiction—from space thrillers to cyberpunk. The blog’s voice is friendly and informal, and Alex is very engaged with the book blogging community (hosting readalongs and chatting on Twitter), making Spells & Spaceships an inviting stop for genre readers.
40. Out of This World SFF Reviews – Out of This World SFF is a personal blog by Nick, a reviewer who devours new science fiction and fantasy releases. On this no-frills blogspot site, Nick posts candid reviews of the latest titles (including many indie and debut novels). He often highlights less-hyped books that deserve more attention, alongside big-name releases. The blog’s straightforward approach – just one fan sharing his take on each book – is refreshing and reliable. If you want to catch up-and-coming sci-fi books that others might miss, Out of This World SFF Reviews is a great resource.
41. Unofficial Hugo Book Club Blog – This blog is run by an Edmonton-based SFF book club that reads and reviews new science fiction books, with the goal of contributing to Hugo Awards discussions. In practice, the Unofficial Hugo Book Club Blog posts reviews and essays about recently published sci-fi (and fantasy) that could be awards contenders. It’s a fan-driven perspective on what’s noteworthy each year. You’ll also find coverage of Hugo results and speculative “what might have been nominated” retrospectives. For anyone interested in the awards scene or just quality modern SF, this blog offers a lot of food for thought.
42. Red Headed Femme – The Red Headed Femme is the blogging moniker of a prolific reader who covers science fiction and fantasy books, along with occasional commentary on pop culture, feminism, and politics. On her blog, you’ll find detailed reviews of recent sci-fi novels (she often reads through Hugo-nominated works and does yearly “best of” lists). Her style is approachable but pulls no punches when a book doesn’t work for her. The mix of personal opinion and critical insight – plus her commitment to reading widely, including lots of female authors – makes Red Headed Femme’s blog a valuable independent voice in sci-fi book circles.
43. Civilian Reader – Civilian Reader is a long-standing UK-based blog that offers reviews of science fiction, fantasy, thrillers, and more. For sci-fi fans, Civilian Reader provides a steady flow of SF book reviews, from hard military SF to dystopian YA. The blog also regularly hosts author guest posts and interviews, giving you extra behind-the-scenes peeks into new releases. With a history dating back to the mid-2000s, Civilian Reader has an extensive archive and a reputation for fair, articulate reviews. It’s a great one-man operation that covers genre fiction with a broad lens.
44. Fantasy Hive – The Fantasy Hive is an acclaimed group blog primarily focused on fantasy, but it certainly includes science fiction content as well. The Hive features a team of reviewers and columnists who do book reviews, interviews, readalong discussions, and even creative pieces. When it comes to sci-fi, they’ve reviewed popular titles and have run themed events (like Space Opera Month). Their coverage often intersects with the British SFF scene, as many contributors are UK-based. With a vibrant site design and active social media presence, Fantasy Hive is buzzing with interesting content for speculative fiction readers.
45. Fantasy-Faction – Once one of the biggest fantasy fan sites, Fantasy-Faction also covers science fiction on occasion. Its archives contain articles and reviews of notable sci-fi books (especially when they have crossover appeal to fantasy fans). While the site’s peak activity years are behind it, its existing content—think essays on genre tropes, interviews with authors like Brandon Sanderson, and community forum discussions—remains a useful reference. Fantasy-Faction helped foster the online SFF fandom in the 2010s, and its legacy content on writing and genre literature is still worth exploring.
46. Scifi and Scary – Sci-Fi & Scary is a blog devoted to science fiction, horror, and thriller books. On the sci-fi side, they post plenty of book reviews (particularly indie/self-published sci-fi and horror), plus weekly release roundups and the occasional movie review. The blog is run by a small team, and they’re very candid in their opinions—whether a book blew them away or failed to impress, they’ll let you know. Sci-Fi & Scary is also known for supporting lesser-known authors through reviews and guest posts. It’s a down-to-earth blog that embraces the full spectrum of speculative fiction, from B-movie monsters to hard science epics.
47. Lynn’s Books – Lynn’s Books is the personal blog of an avid reader named Lynn, where she shares reviews of fantasy and science fiction novels (and related genres like horror and historical fantasy). Her blog has been active for many years, featuring weekly reviews and memes like “Waiting on Wednesday.” Lynn’s writing style is personable and concise; she gives a clear idea of a book’s strengths and weaknesses without spoilers. Following Lynn’s Books feels like following the reading diary of a well-read friend, making it a comforting spot for recommendations—especially if your tastes align with hers in adventurous SF/F tales.
48. Nerdette’s Reviews – Formerly known as The Bibliophile Chronicles, Nerdette’s Reviews is a relatively newer blog by a voracious reader who covers science fiction, fantasy, and romance. For sci-fi lovers, she reviews popular new releases (including YA sci-fi) and occasionally geeky TV shows or movies. The blog stands out for its enthusiastic tone—Nerdette’s love for the stories comes through in each review. She also engages in a lot of reading challenges and tags, which can lead you to fun sci-fi book lists and themed recommendations on the site. It’s a growing blog that brings a lot of positivity to the sci-fi book community.
49. The Unseen Library – The Unseen Library is a blog by Australian librarian-and-fan Andrew, who delves into science fiction, fantasy, and crime novels. His reviews are thorough and often include a bullet-point “Quick Review” section for the TL;DR crowd. In sci-fi, Andrew covers everything from Star Wars tie-ins to big-name authors like Alastair Reynolds, usually focusing on plot highlights and pacing in his critiques. The Unseen Library also features weekly book haul posts and anticipated release lists, which are great for discovering upcoming sci-fi books. It’s an exemplar of a passionate fan blog with a librarian’s touch for organization.
50. File 770 – Last but certainly not least, File 770 is Mike Glyer’s legendary science fiction fandom blog, active since the early days of the internet. While not a traditional “book review” blog, File 770 is a top source for science fiction community news – including award announcements, convention reports, obituaries, and links to insightful fan writing around the web. Mike also publishes occasional reviews (especially of short fiction magazines) and fannish essays. File 770 has won multiple Hugo Awards for Best Fanzine, a testament to its importance. If you want to stay plugged into the heartbeat of sci-fi fandom and industry buzz, following File 770 is a must.
Conclusion
The science fiction genre has a vibrant online ecosystem of blogs and websites, each with its own flavor. Whether you’re interested in expert critical reviews, fan-driven discussions, or simply want to know which new space adventure to read next, these 50 best sci-fi book blogs have something for every kind of reader. By following a mix of independent bloggers and larger platforms, you’ll stay informed about both blockbuster releases and hidden gems. Dive into these blogs, engage with their communities, and watch your to-be-read pile grow exponentially. In the ever-expanding universe of sci-fi literature, these blogs will be your trusty guide to new worlds and adventures.