Most Popular Hard Science Fiction Books of 2025
Discover popular Hard Science Fiction books published in 2025, with reader ratings and new favorites to explore.
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Books in this list
Exiles War #1
Fleet of the Forgotten
Science Fiction · Hard Science Fiction · Military Science Fiction · Space Opera
November 6, 2025
Codex Ananta #1
Eternal
Science Fiction · Hard Science Fiction
August 29, 2025
Undying Mercenaries #24
Demon World
Science Fiction · Hard Science Fiction · Space Opera
August 17, 2025
Epic of Atlantis #1
Echoes of Time
Science Fiction · Hard Science Fiction
November 1, 2025
Galaxy Raiders #1
Abyss
Science Fiction · Hard Science Fiction · Military Science Fiction · Space Opera
February 4, 2025
Esperance
Science Fiction · Hard Science Fiction · Thriller
May 20, 2025
Beyond and Within
Creative Futures
Science Fiction · Hard Science Fiction · Social Science Fiction · Anthology · Short Stories
November 11, 2025
Kallipolis Series #1
2525: Gardens and Creeks
Science Fiction · Hard Science Fiction
September 5, 2025
The Nibelung series #1
Space Raider Nibelung
Science Fiction · Hard Science Fiction
September 20, 2025
Epic of Atlantis #2
Echoes of Deceit
Science Fiction · Hard Science Fiction
December 1, 2025
Undying Mercenaries #23
Rage World
Science Fiction · Hard Science Fiction · Space Opera
March 8, 2025
The Betaverse #3
A New War
Science Fiction · Hard Science Fiction
January 14, 2025