Not so lost in space: The best science-fiction romance novels

Written by Silke, updated 08 Jun 2021

Taking adventure to a whole new level, that is, outer space. Unknown species, funky technologies, cyborgs & alien worlds - there is a lot to discover...

  • #1 Warrior's Woman (Ly-San-Ter #1) - Johanna Lindsey

    Warrior's Woman (Ly-San-Ter #1) - Johanna Lindsey

    fantasy historical paranormal contemporary war

    In the year 2139, fearless Tedra De Arr sets out to rescue her beleaguered planet Kystran from the savage rule of the evil Crad Ce Moerr.

    Experienced in combat but not in love, the beautiful, untouched Amazon flies with Martha, her wise-cracking, free-thinking computer, to a world where warriors reigns supreme - and into the arms of the one man she can never hope to vanquish: the bronzed barbarian Challen Ly-San-Ter. more

  • #2 Silent Blade (Kinsmen #1) - Ilona Andrews

    Silent Blade (Kinsmen #1) - Ilona Andrews

    science fiction second chances strong heroine dystopian vengeance

    Old hatreds die hard. Old love dies harder.

    On Meli Galdes' home planet, the struggle for power is a bloody, full-contact sport--in business and on the battlefield. For years her lethal skills have been a valuable asset in advancing her family's interests. She's more than earned her right to retire, but her kinsmen have one last favor to ask.

    Kill the man who ruined her life.

    Celino Carvanna's razor-sharp business acumen--and skills with a blade--won him the freedom to do as he pleases. There's only one thing he can't seem to control--his reaction to the mysterious woman who tantalizes his senses. more

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  • #3 Taunting Krell (Cyborg Seduction #7) - Laurann Dohner

    Taunting Krell (Cyborg Seduction #7) - Laurann Dohner

    science fiction strong heroine enemies to lovers military disabilities & scars

    Krell hates humans. They left him scarred and undesirable to females. He’s lived a lonely existence in his home world because of their brutality. So he’s angry when he’s ordered to interrogate the captured human. She’s the enemy, a soldier from Earth. He’ll show her the same mercy they showed him. None. Cyan didn’t expect to survive her mission against the Markus Models but she’s stunned and elated to be confronted by cyborgs. The past and present collide, however, when she sees Krell. He’s part of a dangerous secret from another life—and he’s also completely irresistible. Krell is certain Cyan can’t be trusted. more

  • #4 Found (Brides of the Kindred #4) - Evangeline Anderson

    Found (Brides of the Kindred #4) - Evangeline Anderson

    science fiction erotic romance virgin hero bad boys tortured hero

    This is a plus length novel--133,000 words.

    A warrior with a scarred heart who doesn’t know how to love. And the woman who must teach him how before it’s too late…

    The son of the evil AllFather, Xairn is filled with conflicting emotions. On one hand, he has finally gained his freedom and cut the ties that bound him to his race and the sadistic male who is his father. But doing so has unleashed feelings in him Xairn would rather keep buried. Desires that he prayed would never manifest now rage through him and they are centered on one woman alone…

    Lauren Jakes is the long lost cousin Liv and Sophie never knew they had. more

  • #5 Enslave Me Sweetly (Alien Huntress #2) - Gena Showalter

    Enslave Me Sweetly (Alien Huntress #2) - Gena Showalter

    fantasy science fiction erotic romance strong heroine magic

    Eden Black walks among humans, protecting them from the murderous evil of other-worlders who abduct and enslave. And though she appears to be human herself, Eden is an alien, a Raka, distinguished by her golden hair and skin, and gifted with the ominous ability to kill without remorse -- and with total accuracy. That is, until the fateful night she has one shot to eliminate her target, a human slaver -- and misses.

    "Failure" is not in Eden's vocabulary. Neither is "partner" -- but that's what she is forcibly assigned after recovering from her disastrous mission. more

  • #6 Obsidian (Lux #1) - Jennifer L. Armentrout

    Obsidian (Lux #1) - Jennifer L. Armentrout

    futuristic young adult fantasy science fiction love triangle

    Starting over sucks.

    When we moved to West Virginia right before my senior year, I'd pretty much resigned myself to thick accents, dodgy internet access, and a whole lot of boring... until I spotted my hot neighbor, with his looming height and eerie green eyes. Things were looking up.

    And then he opened his mouth.

    Daemon is infuriating. Arrogant. Stab-worthy. We do not get along. At all. But when a stranger attacks me and Daemon literally freezes time with a wave of his hand, well, something... unexpected happens.

    The hot alien living next door marks me.

    You heard me. Alien. more

  • #7 Naked in Death (In Death #1) - J.D. Robb

    Naked in Death (In Death #1) - J.D. Robb

    heroine sleuth mystery suspense rape abuse

    It is the year 2058, and technology now completely rules the world. But New York City Detective Eve Dallas knows that the irresistible impulses of the human heart are still ruled by just one thing: passion.

    When a senator's daughter is killed, the secret life of prostitution she'd been leading is revealed. The high-profile case takes Lieutenant Eve Dallas into the rarefied circles of Washington politics and society. Further complicating matters is Eve's growing attraction to Roarke, who is one of the wealthiest and most influential men on the planet, devilishly handsome... and the leading suspect in the investigation. more

  • #8 Amaryllis (St. Helens #1) - Jayne Castle,Jayne Ann Krentz

    Amaryllis (St. Helens #1) - Jayne Castle,Jayne Ann Krentz

    fantasy paranormal contemporary suspense aliens

    A gifted psychic detective on the abandoned Earth colony of St. Helen's, Amaryllis Lark follows a high-profile murder investigation and finds herself in the middle of a steamy love affair with business head Lucas Trent. more

  • #9 Grim (Tornians #1) - M.K. Eidem

    Grim (Tornians #1) - M.K. Eidem

    science fiction mystery alpha male abduction possessive hero

    King Grim Vasteri is the strongest, most feared warrior in the Tornian Empire. He has been sent by his Emperor to find and retrieve compatible females for their dying civilization. Lisa is a widowed mother of two little girls who finds herself and her daughters suddenly in high demand. Will the most feared warrior in the Empire keep and protect them? Or will he allow another to claim them?

    King Grim Vasteri is the strongest and most feared warrior in the Tornian Empire. He is the King of Luda, blood brother to the Emperor and his line will die with him. He will have no offspring for no female would join with him for once he was scarred he was considered 'unfit'. more

  • #10 Games of Command - Linnea Sinclair

    Games of Command - Linnea Sinclair

    science fiction urban fantasy fantasy contemporary paranormal

    The universe isn’t what it used to be. With the new Alliance between the Triad and the United Coalition, Captain Tasha “Sass” Sebastian finds herself serving under her former nemesis, biocybe Admiral Branden Kel-Paten–and doing her best to hide a deadly past. But when an injured mercenary winds up in their ship’s sick bay–and in the hands of her best friend, Dr. Eden Fynn–Sass’s efforts may be wasted.

    Wanted rebel Jace Serafino has information that could expose all of Sass’s secrets, tear the fragile Alliance apart–and end Sass’s career if Kel-Paten discovers them. But the biocybe has something to hide as well, something once thought impossible for his kind to possess: feelings... more

  • #11 Killbox (Sirantha Jax #4) - Ann Aguirre

    Killbox (Sirantha Jax #4) - Ann Aguirre

    military science fiction strong heroine futuristic urban fantasy

    Talk is cheap when lives are in jeopardy

    Sirantha Jax is a “Jumper,” a woman who possesses the unique genetic makeup needed to navigate faster than light ships through grimspace. With no tolerance for political diplomacy, she quits her ambassador post so she can get back to saving the universe the way she does best—by mouthing off and kicking butt.

    And her tactics are needed more than ever. Flesh-eating aliens are attacking stations on the outskirts of space, and for many people, the Conglomerate’s forces are arriving too late to serve and protect them. more

  • #12 Rees (Tales Of The Shareem #1) - Allyson James

    Rees (Tales Of The Shareem #1) - Allyson James

    futuristic science fiction erotic romance menage aliens

    The Shareem. Males created to be tall, muscled, sexy, and… enhanced. They come in one of three levels pure sensual pleasure, games and wicked fun, or the ultimate barbarian complete with whip. They know how to bring a woman to ecstasy and exactly how to keep her there.
    When Lady Talan d'Urvey reads the diary of a woman who spent one wicked week with a Shareem, she longs to experience the same carnality in one last fling before she takes her vow of celibacy. She goes in search of a Shareem and finds Rees, tall and blond, with Shareem-blue eyes. Just looking into those eyes makes Talan wild with need.
    But Rees is a Shareem experiment that never should have been made. more

  • #13 The Last Hour of Gann - R. Lee Smith

    The Last Hour of Gann - R. Lee Smith

    science fiction erotic romance paranormal mystery alpha male

    It was her last chance:

    Amber Bierce had nothing left except her sister and two tickets on Earth’s first colony-ship. She entered her Sleeper with a five-year contract and the promise of a better life, but awakened in wreckage on an unknown world. For the survivors, there is no rescue, no way home and no hope until they are found by Meoraq—a holy warrior more deadly than any hungering beast on this hostile new world…but whose eyes show a different sort of hunger when he looks at her.

    It was his last year of freedom:

    Uyane Meoraq is a Sword of Sheul, God’s own instrument of judgment, victor of hundreds of trials, with a conqueror’s rights over all men. more

  • #14 My Fair Captain (Sci-Regency #1) - J.L. Langley

    My Fair Captain (Sci-Regency #1) - J.L. Langley

    science fiction erotic romance suspense alpha male royalty

    Talk about a compromising situation!
    A storm of political intrigue, murderous mayhem and sexual hungers is brewing on planet Regelence.

    Swarthy Intergalactic Navy Captain Nathaniel Hawkins ran from a past he had no intention of ever reliving. But when his Admiral asks him to use his peerage, as an earl and the heir to a dukedom, to investigate a missing weapons stash, he’s forced to do just that. As if being undercover on a Regency planet where the young men are supposed to remain pure until marriage isn’t bad enough, Nate finds himself attracted to the king’s unmarried son.

    All Prince Aiden Townsend has ever wanted was to be an artist. more

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