SF Supernova

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Hard SF

Rigorous scientific speculation.

521 titles

Often paired with
Social SF 129Space Opera 121Adventure 68First Contact 35Horror 32Post-Apocalyptic 22
Peaks in
1950s1940s1960s1930s1890s
Explored most by
Jules VerneGeorge O. SmithH. G. WellsLuis SenarensMurray LeinsterE. E. SmithMary Wollstonecraft ShelleyRay Cummings
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The Long Way
Cover of The Long Way by George O. Smith
The Long Way
George O. Smith · 1944
54 min read
Hard SFSpace Opera
The Machine That Floats
Cover of The Machine That Floats by Joe Gibson
The Machine That Floats
Joe Gibson · 1953
2 hr 2 min read
Hard SFSpace Opera
The Machine That Saved The World
Cover of The Machine That Saved The World by Murray Leinster
The Machine That Saved The World
Murray Leinster · 1957
1 hr 1 min read
Hard SFMilitary SF
The Man Higher Up
Cover of The Man Higher Up by Edwin Balmer William MacHarg
The Man Higher Up
Edwin Balmer William MacHarg · 1912
37 min read
Hard SFSocial SF
The Man Who Flew
Cover of The Man Who Flew by Charles D. Cunningham
The Man Who Flew
Charles D. Cunningham · 1962
17 min read
Hard SFSocial SF
The Man Who Rocked the Earth
Cover of The Man Who Rocked the Earth by Arthur Cheney Train
The Man Who Rocked the Earth
Arthur Cheney Train & Robert Williams Wood · 1915
2 hr 39 min read
Hard SFMilitary SF
The Man Who Saved the Earth
Cover of The Man Who Saved the Earth by Austin Hall
The Man Who Saved the Earth
Austin Hall · 1919
1 hr 11 min read
First ContactHard SF
The Man Who Saw the Future
Cover of The Man Who Saw the Future by Edmond Hamilton
The Man Who Saw the Future
Edmond Hamilton · 1930
21 min read
Hard SFTime Travel
The Man Who Was Six
Cover of The Man Who Was Six by F. L. Wallace
The Man Who Was Six
F. L. Wallace · 1954
1 hr 1 min read
Hard SFSocial SF
The Master Key
Cover of The Master Key by L. Frank Baum
The Master Key
L. Frank Baum · 1901
2 hr 24 min read
Hard SFJuvenile
The Master Key
Cover of The Master Key by L. Frank Baum
The Master Key
L. Frank Baum · 1901
2 hr 39 min read
Hard SFJuvenile
The Master of the World
Cover of The Master of the World by Jules Verne
The Master of the World
Jules Verne · 1904
2 hr 48 min read
AdventureHard SF
The Maugham Obsession
Cover of The Maugham Obsession by August Derleth
The Maugham Obsession
August Derleth · 1953
18 min read
Hard SFHorror
The Minus Woman
Cover of The Minus Woman by R. R. Winterbotham
The Minus Woman
R. R. Winterbotham · 1958
14 min read
First ContactHard SF
The Monster
Cover of The Monster by S. M. Tenneshaw
The Monster
S. M. Tenneshaw · 1953
1 hr 4 min read
Hard SFHorror
The Moon Destroyers
Cover of The Moon Destroyers by Monroe K. Ruch
The Moon Destroyers
Monroe K. Ruch · 1932
40 min read
Hard SFSpace Opera
The Moon Maker
Cover of The Moon Maker by Arthur Cheney Train
The Moon Maker
Arthur Cheney Train & Robert Williams Wood · 1958
2 hr 16 min read
Hard SFMilitary SF
The Moon Metal
Cover of The Moon Metal by Garrett Putman Serviss
The Moon Metal
Garrett Putman Serviss · 1900
1 hr 37 min read
AdventureHard SF
The Moon and the Sun
Cover of The Moon and the Sun by James McKimmey
The Moon and the Sun
James McKimmey · 1954
5 min read
ColonizationHard SF
The Moon-Voyage
Cover of The Moon-Voyage by Jules Verne
The Moon-Voyage
Jules Verne · 1865
~7 hr read
AdventureHard SF
The Mummy! A Tale of the Twenty-Second Century
Cover of The Mummy! A Tale of the Twenty-Second Century by Mrs. Loudon
The Mummy! A Tale of the Twenty-Second Century
Mrs. Loudon · 1827
~10 hr read
Hard SFSocial SF
The Next Logical Step
Cover of The Next Logical Step by Ben Bova
The Next Logical Step
Ben Bova · 1962
12 min read
Hard SFMilitary SF
The Non-Electronic Bug
Cover of The Non-Electronic Bug by E. Mittleman
The Non-Electronic Bug
E. Mittleman · 1960
12 min read
Hard SFSocial SF
The Plattner Story, and Others
Cover of The Plattner Story, and Others by H. G. Wells
The Plattner Story, and Others
H. G. Wells · 1897
4 hr 35 min read
FantasyHard SF

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