Best Science Fiction Series of 2025: Top 7 Reviews

Discover the best science fiction series with gripping tales. From space odysseys to mind-bending adventures, our list covers it all.

The Expanse coverRed Mars coverThe Left Hand of Darkness cover

Blast off into the cosmos with us as we explore our picks for the 7 best science fiction series! We love getting lost in mind-bending plots, thrilling adventures, and futuristic worlds. When it comes to choosing books for our best science fiction series list, we focus on captivating characters, imaginative worlds, and stories that make us think. Whether journeying through space or grappling with alien societies, each series captured our imaginations and kept us at the edge of our seats. Get ready for an unforgettable ride through the universe!

On this list:

7 The Expanse by James S.A. Corey

The Expanse cover

  • Genre: Space Opera
  • Formats: Hardcover, Paperback, Kindle
  • Year released: 2011
  • Pages: 561

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Starting our list strong, The Expanse is a gripping space opera series. It’s like watching a fireworks show explode in the night sky—unexpected and thrilling!

6 Red Mars by Kim Stanley Robinson

Red Mars cover

  • Genre: Sci-Fi
  • Formats: Paperback, Kindle
  • Year released: 1993
  • Pages: 572

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Red Mars rockets us to the red planet, where colonization leads to political drama. It’s both insightful and, at times, a tad too scientific.

5 The Left Hand of Darkness by Ursula K. Le Guin

The Left Hand of Darkness cover

  • Genre: Science Fiction
  • Formats: Hardcover, Paperback, Kindle
  • Year released: 1969
  • Pages: 304

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A classic! It takes us to a world where gender is fluid. It’s both mind-bending and thought-provoking—perfect for long debates over coffee.

4 Hyperion by Dan Simmons

Hyperion cover

  • Genre: Sci-Fi
  • Formats: Hardcover, Paperback, Kindle
  • Year released: 1989
  • Pages: 482

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This series has a Canterbury Tales vibe in space. It’s epic and cerebral but might require a cup of coffee to keep track.

3 Neuromancer by William Gibson

Neuromancer cover

  • Genre: Cyberpunk
  • Formats: Hardcover, Paperback, Kindle
  • Year released: 1984
  • Pages: 271

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The cyberpunk classic! Dive into the matrix, but be warned—the pace is fast and the jargon thicker than my grandma’s gravy.

2 Altered Carbon by Richard K. Morgan

Altered Carbon cover

  • Genre: Sci-Fi
  • Formats: Hardcover, Paperback, Kindle
  • Year released: 2002
  • Pages: 375

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Imagine waking up in a new body. It’s a gritty, no-holds-barred world. Not for the faint-hearted, but definitely action-packed!

1 Dune by Frank Herbert

Dune cover

  • Genre: Sci-Fi
  • Formats: Hardcover, Paperback, Kindle
  • Year released: 1965
  • Pages: 412

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Ah, Dune. It’s the spice of the sci-fi world. With its epic scale, rich worlds, and legendary characters, it’s the king of the best science fiction series. When we read Dune, we felt like explorers in a vast desert, constantly uncovering new mysteries. The blend of politics, religion, and ecology makes it both relevant and timeless. Sure, it’s long, but isn’t that what makes it feel like an epic journey?

Steve Peterson Cartoonified
Steve Peterson

Hi there! I'm Steve Peterson, a passionate reading enthusiast who loves nothing more than getting lost in a good book. My love for literature spans across genres, from thrilling mysteries and gripping fantasy to thought-provoking non-fiction.

I hope my reviews help you find the perfect next book to dive into!