Hard Science Fiction Stories

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Enticed by The Alien Outlaw (An Alien Erotica Collection )

He’s a prisoner of his own honor. She’s the light that can set him free. On a massive ship drifting through the stars, a lone warrior waits in the shadows of a brig, forgotten by his people. For fi...

Science Fiction Adventure Scifi Romance Sifi +9 More

scifi by Callmeanny · Complete · 26 Chapters

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Wolf Dominion

Will Ryder survive the Alpha's kiss, or fall into an easy trap of seduction that she may never escape from again? EROTICA / HYBRID WOLVES / ACTION / FANTASY-SCIFI. On Genesis, the Wolf Kind rule a...

Paranormal Romance Slave Spirit Animals +13 More

scifi / romance by C. Swallow · Complete · 53 Chapters

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The Wolf Reforged

Human Special Agent Elizabeth Mbenge is the tip of the spear of the armed forces of the Terran Federation. An elite Sunguard operative with unchecked authority, she is without equal among the ranks...

Science Fiction Dystopian Tech Noir +26 More

scifi / mystery by Mattias von Schantz · 16h ago · 12 Chapters

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Pearl of the Stars

In the aftermath of an epic battle, the PEARL OF THE STARS returns home...

Military Science Fiction Future Space Romp +4 More

scifi / action by CANNiBALHoRSE · Complete · 28 Chapters

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Game Over

Dylan Engstrom awakens in a strange place and is thrust into a series of combat scenarios. He and a robot and several aliens must then figure out what's going on and how to escape before they're al...

Robots Ai Outer Space +14 More

scifi / action by Fred Kerns · Complete · 69 Chapters

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Blood Sisters

A superhero adventure novel with a nod towards hard science fiction. A young heroine discovers that she has an unknown twin sister from the streets who is being hunted by a mysterious organization.

Superhero Strong Female Kick Ass Heroine +20 More

scifi / other by Kip J. Rabidou · Complete · 26 Chapters

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Scorched Earth

Earth has fallen. When the planet crosses its final climate tipping point, temperatures rise, crops fail, and billions are forced onto the move. Diplomacy gives way to ultimatums, then to war. Fro...

Science Fiction Moon Nuclear War +30 More

scifi / thriller by Mattias von Schantz · Complete · 39 Chapters

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CANAISIS ∞ The Last Living Ship (Chronicles of Canaisis ∞ 1)

Canaisis is the last of her kind, a Living Ship forged with Mankind’s most advanced technology and artificial intelligence. Together with her Captain, she sails the cold, dark void between stars a...

Love Story Slowburn A.I.+18 More

scifi / literary-fiction by -NikaRave- · Complete · 126 Chapters

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Dimensional Driver

Johnny had won the most recent championship and was thinking of calling it quits after the current season. That all changed when he was given an opportunity to use his skills. Testing a new prototy...

Content WarningGods And Deities Multiple Worlds Demihumans +6 More

fantasy / action by J. D. Eldrais · 1yr ago · 14 Chapters

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Accolade

The year is 2249. The Coalition has cut a planet called Galatia off from the rest of the galaxy. As far as the Galatians know, they are the only living creatures in the galaxy. In this story, thir...

Soft Sci Fi Action Adventure.Space Prison +18 More

scifi / adventure by Caleb Fast · 6yrs ago · 22 Chapters

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Rachel Frankenstein: Stitches on Face

Rachel Frankenstein, a formidable detective with a dark past, faces her most harrowing case yet. With a reputation for solving high-risk, high-stakes cases, Rachel is pushed to her limits when conf...

Content WarningDetective Science Fiction Thriller Mystery Investigation +3 More

action / thriller by ΛRΛSΛN · 2yrs ago · 19 Chapters

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The Time Surgeons

In a world ravaged by disaster, they discover that they can go back and fix the mistakes of the past. But changing the past comes with a terrible price. Can we change the past? Should we change his...

Science Fiction Hard Science Fiction Time Travel Books

scifi / thriller by Robin Craig · Complete · 39 Chapters

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Still Light

Still Light is A story of humanity’s evolution, with each chapter set five years forward from the last, building a tale that will unfold over centuries. Still Light is an episodic tale, with the id...

Sci Fi/Fantasy Military Science Fiction Hard Science Fiction

scifi / mystery by ChiP · Complete · 10 Chapters

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The Glass Planet

Earth is dying, the planet is slowly being stripped of it's atmosphere. World governments come together to fund a space exploration program, to find a habitable extraterrestrial planet. Logan Foxx...

Action Adventure.Hard Science Fiction

scifi / fantasy by Tori G. Winters · 3yrs ago · 24 Chapters

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The Time Catalyst

Young billionaire Dr. Patrick McClain, in Seattle, Washington, invented the ultimate solar powered source--the Solar Unlimited. It punches a hole in space-time. Thus opening the portal to Anarchists!

Time Travel Hard Science Fiction

scifi / adventure by Joseth Moore · Complete · 1 Chapters

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Twin Earth

Tom, a disgraced scientist forced to resign from the UK space agency, is unexpectedly invited back to help investigate an unusual anomaly that has appeared just past the moon, When the investigatio...

Mystery/Sci Fi Aliens Time And Space Travel +3 More

scifi / thriller by L. Eccleston · Complete · 67 Chapters

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Blue Screen: How Peter Gustafson Defragmented the World

Peter Gustafson wants to save the world. In the year 2984, Peter is an average kid with a secret; he’s a well-behaved tenth-grader by day but cryptographic entrepreneur and hacker by night. When th...

Science Fiction Hard Science Fiction

scifi / adventure by Benzle Kyle · Complete · 19 Chapters

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TRAX WAR

The Tralaxions are here, taking our women and children while killing off the men. Why? No one knows. Even the White House is in the dark. Or are they? Scott McKnight, an average young man with an u...

Hard Science Fiction

scifi / thriller by S.A. Anthony · Complete · 41 Chapters

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Some of My Best Friends are Mules

A speculative fictional, cross-country journey where a marginalized group of near-immortals are hunted amidst a country fighting an insidious plague. When my story opens up, a group, on the run fro...

Genetic Engineering Technothriller Hard Science Fiction +2 More

scifi / thriller by lewie spearman · Complete · 7 Chapters

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Hazy: Fate, or Destiny

Twelve Aspects: the building blocks of life, they who shape Creation - are no longer strangers to humanity. We have met our makers. The great questions of our inception and life after death have be...

Supernatural Post Apocalyptic Science Fiction Hard Science Fiction +4 More

scifi / adventure by FateDestiny · 6yrs ago · 5 Chapters

Hard Science Fiction Stories

Enticed by The Alien Outlaw (An Alien Erotica Collection )

Wolf Dominion

The Wolf Reforged

Pearl of the Stars

Game Over

Blood Sisters

Scorched Earth

CANAISIS ∞ The Last Living Ship (Chronicles of Canaisis ∞ 1)

Dimensional Driver

Accolade

Rachel Frankenstein: Stitches on Face

The Time Surgeons

Still Light

The Glass Planet

The Time Catalyst

Twin Earth

Blue Screen: How Peter Gustafson Defragmented the World

TRAX WAR

Some of My Best Friends are Mules

Hazy: Fate, or Destiny

Galatea Stories

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