Alien Birth Stories

31,991 results
Orientation
Length
Source
Infinite Scroll

Saving

by Groade on Sep 19, 2017
Sci-Fi & Fantasy

Kimberly came back to her apartment just after midnight still dressed in her snug-fitting nurse's uniform, her dark blonde hair pulled back under her stiff cap. She was used to working late, her position at the hospital was only part-time and the rest of the week she worked nights as a topless waitress in a nearby town to help pay her way through nursing sch...

Re-population Ch. 04

by alan55 on Sep 13, 2017
NonHuman

Ch 4 – The downfall (Quinn) Over the years, the re-population effort seemed to be going well. The alien's numbers grew quickly in the first couple of generations. The alien males would impregnate as many of the human females as possible. Since the human females would normally have only about 3-4 children during their lifetime and each alien impregnation...

To Save Mankind Ch. 00-01

by qexiqex on Feb 25, 2019
Erotic Horror

Introduction 3488 A.D. Mankind had finally managed to get the most pressing issues under control. Earth's ecosystem wasn't collapsing after all and mother nature had gained some ground again. Free from the immediate need to ensure Earth's survival, human race shifted its focus to exploring the stars and conquer new worlds. Orbit City, the first human set...

Unlikely Breeder Ch. 01

by Sungmehetu on Jan 8, 2019
Sci-Fi & Fantasy

Editor's note: this story contains scenes of non-consensual or reluctant sex. ***** PROFESSOR Eneccor Exobiology Lab, Semut University, Untull City, Gork Prime (Translated to English from Gorkian) Eneccor had been the top science professor at the university for exobiology for nearly 10 solar cycles. He knew that the rampant disease would stop all repro...

The Adventures of Bethany Ch. 04

by nova2469 on Sep 19, 2017
Sci-Fi & Fantasy

he Adventures of Bethany Starglider Part Four - Pleasourous IV at Last It had been a week since the girls had escaped the Xithor infested wreck but finally they had arrived in orbit above Pleasourous IV. Bethany thought back to the dull and torturous week it had been, the Dominator was a small ship and had little to entertain them. The few vids and VR game...

Hell's Housewife Ch. 03

by xxxecil on Sep 13, 2017
NonHuman

Book Three The Mayor of the city grunted, as he slipped out of LindaQueenMotherBreeder's tight ass. He quivered in bliss, then gurgled as the transfector cells attacked his DNA. The shapely rumps of eight other Breeders wiggled temptingly before him. Though he had tried his best to pleasure all of them, he was now spent; having spewed into the dark holes mo...

Queen

by msound1 on Sep 19, 2017
Sci-Fi & Fantasy

Disclaimer: All individuals in this story are eighteen or older. The author does not condone sexual acts with non-consenting participants. The author does condone consenting adults doing basically whatever they want to each other in the privacy of their own home. Please enjoy. Constructive feedback is appreciated. ***** The package was pretty unremarkable....

Extraterrestrial

by HalfShim on Apr 17, 2019
NonHuman

The car shuddered, picking up a rock on the gravel road and tossing it into a heavily wooded forest that bordered closely on both sides. Starlight filtered through treetops, painting stippled shadows through crystal cold air. Theresa tapped her fingers against the aged leather of the steering wheel, mouthing words to the rhythm of an old love song blaring...

Curves Ch. 03

by PrevertOne on Apr 1, 2020
Sci-Fi & Fantasy

Thanks to Todger 65 for the edit. Maria came down to the kitchen, yawning. Lynn was in the shower. Maria had checked in on Charlotte. The empty room didn't surprise her. I see she didn't make breakfast, she noticed. The summer morning was quiet. Real creepy. I wonder if it was a mistake to come here? So, start breakfast or look for Charlotte? Maria was o...

Demonbeast Invasion Renewed Ch. 02

by YojuLord on Sep 26, 2017
Sci-Fi & Fantasy

Sorry it took so long for the sequel. Thanks for all the favorites and comments. Themes of tentacle sex, alien impregnation and alien offspring/mother incest. ***** The moonless night was illuminated by the city's buildings and skyscrapers which stood out against the surrounding darkness. But within the bright lights of the city, a tremendous, dark shadow...