Ringworld


Larry Niven - 1970
    Pierson's puppeteers, the aliens who discovered it, are understandably wary of encountering the builders of such an immense structure and have assembled a team of two humans, a mad puppeteer and a kzin, a huge cat-like alien, to explore it. But a crash landing on the vast edifice forces the crew on a desperate and dangerous trek across the Ringworld.

Nova


Samuel R. Delany - 1968
    the reader observes, recollects, or participates in a range of personal experience including violent pain and disfigurement, sensory deprivation and overload, man-machine communion, the drug experience, the creative experience - and inter-personal relationships which include incest and assassination, father-son, leader-follower, human-pet, and lots more!The balance of galactic power in the 31st century revolves around Illyrion, the most precious energy source in the universe. The varied and exotic crew who sign up with Captain Lorq van Ray know their mission is dangerous, and they soon learn that they are involved in a deadly race with the charismatic but vicious leader of an opposing space federation. But they have no idea of Lorq's secret obsession: to gather Illyrion at the source by flying through the very heart of an imploding star.

A Princess of Mars


Edgar Rice Burroughs - 1912
    It's the beginning of an incredible odyssey in which John Carter, a gentleman from Virginia and a Civil War veteran, unexpectedly finds himself on to the red planet, scene of continuing combat among rival tribes. Captured by a band of six-limbed, green-skinned savage giants called Tharks, Carter soon is accorded all the honor of a chieftain after it's discovered that his muscles, accustomed to Earth's greater gravity, now give him a decided advantage in strength. And when his captors take as prisoner Dejah Thoris, the lovely human-looking princess of the city of Helium, Carter must call upon every ounce of strength, courage, and ingenuity to rescue her-before Dejah becomes the slave of the depraved Thark leader, Tal Hajus!Excerpt:Her oval face was beautiful in the extreme, her every feature finely chisled and exquisite, her eyes large and lustrous and her head surmounted by a mass of coal black, waving hair, caught loosely into a strange yet becoming coiffure. Similar in face and figure to women of Earth, she was nevertheless a true Martian--and prisoner of the fierce green giants who held me captive, as well!

Ancestral Night


Elizabeth Bear - 2019
    Haimey and her small crew run afoul of pirates at the outer limits of the Milky Way, and find themselves on the run and in possession of universe-changing information.When authorities prove corrupt, Haimey realizes that she is the only one who can protect her galaxy-spanning civilization from the implications of this ancient technology—and the revolutionaries who want to use it for terror and war. Her quest will take her careening from the event horizon of the supermassive black hole at the galaxy’s core to the infinite, empty spaces at its edge.To save everything that matters, she will need to uncover the secrets of ancient intelligences lost to time—and her own lost secrets, which she will wish had remained hidden from her forever.

Tomorrow's Kin


Nancy Kress - 2017
    they've landed their Embassy ship on a platform in New York Harbor, and will only speak with the United Nations. They say that their world is so different from Earth, in terms of gravity and atmosphere, that they cannot leave their ship. The population of Earth has erupted in fear and speculation.One day Dr. Marianne Jenner, an obscure scientist working with the human genome, receives an invitation that she cannot refuse. The Secret Service arrives at her college to escort her to New York, for she has been invited, along with the Secretary General of the UN and a few other ambassadors, to visit the alien Embassy.The truth is about to be revealed. Earth s most elite scientists have ten months to prevent a disaster and not everyone is willing to wait."

Sun of Suns


Karl Schroeder - 2006
    The world known as Virga is a fullerene balloon three thousand kilometers in diameter, filled with air, water, and aimlessly floating chunks of rock. The humans who live in this vast environment must build their own fusion suns and "towns" that are in the shape of enormous wood and rope wheels that are spun for gravity.Young, fit, bitter, and friendless, Hayden Griffin is a very dangerous man. He's come to the city of Rush in the nation of Slipstream with one thing in mind: to take murderous revenge for the deaths of his parents six years ago. His target is Admiral Chaison Fanning, head of the fleet of Slipstream, which conquered Hayden's nation of Aerie years ago. And the fact that Hayden's spent his adolescence living with pirates doesn't bode well for Fanning's chances...

Arkwright


Allen M. Steele - 2016
    At the end of his life he becomes reclusive and cantankerous, refusing to appear before or interact with his legion of fans. Little did anyone know, Nathan was putting into motion his true, timeless legacy.Convinced that humanity cannot survive on Earth, his Arkwright Foundation dedicates itself to creating a colony on an Earth-like planet several light years distant. Fueled by Nathan's legacy, generations of Arkwrights are drawn together, and pulled apart, by the enormity of the task and weight of their name.

Renegade Star


J.N. ChaneyJ.N. Chaney - 2017
    Something to tell your children when you put them to sleep, the lost homeworld of humanity. Everyone knows it isn't real, though. It can't be.But when Captain Jace Hughes encounters a nun with a mysterious piece of cargo and a bold secret, he soon discovers that everything he thought he knew about Earth is wrong. So very, very wrong.Climb aboard The Renegade Star and assemble a crew, follow the clues, uncover the truth, and most importantly, try to stay alive.

Proxima


Stephen Baxter - 2013
    The age of star formation is long past. Yet there is life here, feeding off the energies of the stellar remnants, and there is mind, a tremendous galaxy-spanning intelligence each of whose thoughts lasts a hundred thousand years. And this mind cradles memories of a long-gone age when a more compact universe was full of light... The 27th century: Proxima Centauri, an undistinguished red dwarf star, is the nearest star to our sun. How would it be to live on such a world?

Dark Run


Mike Brooks - 2015
    And nobody talks about their past.But when a face from Captain Ichabod Drift’s former life send them on a run to Old Earth, all the rules change.Trust will be broken, and blood will be spilled.

A Complicated Love Story Set in Space


Shaun David Hutchinson - 2021
    Together, the three face all the dangers of space, along with murder, aliens, a school dance, and one really, really bad day. But none of this can prepare Noa for the biggest challenge—falling in love. And as Noa’s feelings for DJ deepen, he has to contend not just with the challenges of the present, but also with his memories of the past.However, nothing is what it seems on Qriosity, and the truth will upend all of their lives forever.Love is complicated enough without also trying to stay alive.

Chaos Rising


Timothy Zahn - 2020
    And nestled within its swirling chaos is the Ascendancy, home to the enigmatic Chiss and the Nine Ruling Families that lead them.The peace of the Ascendancy, a beacon of calm and stability, is shattered after a daring attack on the Chiss capital that leaves no trace of the enemy. Baffled, the Ascendancy dispatches one of its brightest young military officers to root out the unseen assailants. A recruit born of no title, but adopted into the powerful family of the Mitth and given the name Thrawn.With the might of the Expansionary Fleet at his back, and the aid of his comrade Admiral Ar’alani, answers begin to fall into place. But as Thrawn’s first command probes deeper into the vast stretch of space his people call the Chaos, he realizes that the mission he has been given is not what it seems. And the threat to the Ascendancy is only just beginning.

A Gift of Time


Jerry Merritt - 2016
    While helping repair the marooned time traveler’s glider, Cager realizes it can return him to his past to correct a mistake that had haunted him his entire life. As payment for his help, the virtual creature living in the circuitry of the marooned glider, sends Cager back in time as his ten-year-old self, knowing everything he’d known at eighty and gives him access to advanced equations of space and time. But living life over knowing the future isn’t as easy as Cager has anticipated. His every action alters the future he remembers until much of what he remembers never happened at all. And those changes work against him at every turn, preventing him correcting the most serious mistake of his life. Now he must use his advanced mathematical ability to build his own time machine to go back and try again. But he needs a fortune even to begin. Then he receives help from a strange, young woman with no history. While perfecting time travel, Cager and his new partner overcome enormous problems, even being hunted by dinosaurs in the Cretaceous. After that, though, things get really bizarre.

Children of Time


Adrian Tchaikovsky - 2015
    Humanity's last survivors escaped earth's ruins to find a new home. But when they find it, can their desperation overcome its dangers?WHO WILL INHERIT THIS NEW EARTH?The last remnants of the human race left a dying Earth, desperate to find a new home among the stars. Following in the footsteps of their ancestors, they discover the greatest treasure of the past age—a world terraformed and prepared for human life.But all is not right in this new Eden. In the long years since the planet was abandoned, the work of its architects has borne disastrous fruit. The planet is not waiting for them, pristine and unoccupied. New masters have turned it from a refuge into mankind's worst nightmare.Now two civilizations are on a collision course, both testing the boundaries of what they will do to survive. As the fate of humanity hangs in the balance, who are the true heirs of this new Earth?

The Wanderers


Meg Howrey - 2017
    Helen Kane, Yoshi Tanaka, and Sergei Kuznetsov must prove they’re the crew for the job by spending seventeen months in the most realistic simulation ever created.Retired from NASA, Helen had not trained for irrelevance. It is nobody’s fault that the best of her exists in space, but her daughter can’t help placing blame. The MarsNOW mission is Helen’s last chance to return to the only place she’s ever truly felt at home. For Yoshi, it’s an opportunity to prove himself worthy of the wife he has loved absolutely, if not quite rightly. Sergei is willing to spend seventeen months in a tin can if it means travelling to Mars. He will at least be tested past the point of exhaustion, and this is the example he will set for his sons.As the days turn into months the line between what is real and unreal becomes blurred, and the astronauts learn that the complications of inner space are no less fraught than those of outer space. The Wanderers gets at the desire behind all exploration: the longing for discovery and the great search to understand the human heart.