Most Popular Space Opera Books of the 2020s

The Divide #1

The Last Watch

J. S. Dewes

Science Fiction · Military Science Fiction · Space Opera

April 20, 2021

Blue Star Enterprises #2

Eden's End

M.J. Markgraf

Science Fiction · Space Opera · Self-published

January 27, 2026

Blue Star Enterprises #1

Blueprints for Tomorrow

M.J. Markgraf

Science Fiction · Space Opera · Self-published

November 11, 2025

Starship's Mage #14

Chimera's Star

Glynn Stewart

Science Fiction · Space Opera

January 23, 2024

Grimm's War #5

Know Thy Enemy

Jeffery H. Haskell

Science Fiction · Military Science Fiction · Space Opera

March 28, 2023

Caine Riordan #6

Endangered Species

Charles E. Gannon

Science Fiction · Hard Science Fiction · Space Opera

August 1, 2023

The Imperials Saga #5

Thucydides Trap

Melinda Snodgrass

Science Fiction · Space Opera

January 17, 2023

Grimm's War #4

A Grimm Sacrifice

Jeffery H. Haskell

Science Fiction · Military Science Fiction · Space Opera

August 30, 2022

Grimm's War #3

One Decisive Victory

Jeffery H. Haskell

Science Fiction · Military Science Fiction · Space Opera

June 13, 2022

Grimm's War #2

With Grimm Resolve

Jeffery H. Haskell

Science Fiction · Military Science Fiction · Space Opera

May 12, 2022

The Factus Sequence #1

Ten Low

Stark Holborn

Science Fiction · Space Opera

June 1, 2021

The Graven #1

Nophek Gloss

Essa Hansen

Science Fiction · Space Opera

November 17, 2020

The Eleventh Gate

Nancy Kress

Science Fiction · Space Opera

May 5, 2020

Rise of the Jain #3

The Human

Neal Asher

Science Fiction · Space Opera

April 16, 2020

Seven Devils #1

Seven Devils

Laura Lam, Elizabeth May

Science Fiction · Space Opera

August 6, 2020

Lightspeed Trilogy #1

Beyond the Hallowed Sky

Ken MacLeod

Science Fiction · Space Opera

November 23, 2021

The Interdependency #3

The Last Emperox

John Scalzi

Science Fiction · Space Opera

April 14, 2020

Scourge Between Stars

Ness Brown

Horror · Science Fiction · Space Opera

April 4, 2023

Loockdown Tales #2

Lockdown Tales 2

Neal Asher

Science Fiction · Space Opera · Collection · Short Stories

February 7, 2023

War Bodies

Neal Asher

Science Fiction · Space Opera

July 1, 2023

The Deep Man Trilogy #1

The Deep Man

Michael Mersault

Science Fiction · Military Science Fiction · Space Opera

January 4, 2022

Grimm's War #1

Against All Odds

Jeffery H. Haskell

Science Fiction · Military Science Fiction · Space Opera

April 19, 2022

Seven Devils #2

Seven Mercies

Laura Lam, Elizabeth May

Science Fiction · Space Opera

January 25, 2022

Arcana Imperii #1

Artifact Space

Miles Cameron

Science Fiction · Space Opera

June 24, 2021

Baldwin's Legacy #1

Confrontation

Nathan Hystad

Science Fiction · Space Opera

May 26, 2020

The Sun Chronicles #1

Unconquerable Sun

Kate Elliott

Science Fiction · Space Opera

July 7, 2020

Alex Benedict #9

Village in the Sky

Jack McDevitt

Science Fiction · Space Opera

January 31, 2023

The Ixan Prophecies #1

Supercarrier

Scott Bartlett

Science Fiction · Space Opera

May 23, 2021

Far from the Light of Heaven

Tade Thompson

Science Fiction · Space Opera

October 26, 2021

Rise of the Republic #1

Into the Stars

James Rosone

Science Fiction · Space Opera

August 9, 2020

The Terraformers

Annalee Newitz

Science Fiction · Social Science Fiction · Space Opera

September 19, 2023

The Starship In The Stone #2

Here Be Dragons

M.R. Forbes

Science Fiction · Space Opera

March 1, 2025

Rise of the Republic #2

Into the Battle

James Rosone

Science Fiction · Space Opera

October 13, 2020

Flotilla

Emma Hine

Science Fiction · Space Opera

July 20, 2027

Undying Mercenaries #27

Undying Mercenaries Book 27

B. V. Larson

Science Fiction · Hard Science Fiction · Space Opera

2027

The Cosmic Dryad Series #2

The Cosmic Dryad Book 2

T.A. White

Fantasy · Science Fiction · Space Opera

2027