Ilium


Dan Simmons - 2003
    On Earth, a small band of the few remaining humans pursues a lost past and devastating truth—as four sentient machines depart from Jovian space to investigate, perhaps terminate, the potentially catastrophic emissions emanating from a mountaintop miles above the terraformed surface of the Red Planet.

Lockstep


Karl Schroeder - 2014
    After all, the planet he’s orbiting is frozen and sunless, and the cities are dead. But when Toby wakes again, he’s surprised to discover a thriving planet, a strange and prosperous galaxy, and something stranger still—that he’s been asleep for 14,000 years.Welcome to the Lockstep Empire, where civilization is kept alive by careful hibernation. Here cold sleeps can last decades and waking moments mere weeks. Its citizens survive for millennia, traveling asleep on long voyages between worlds. Not only is Lockstep the new center of the galaxy, but Toby is shocked to learn that the Empire is still ruled by its founding family: his own.Toby’s brother Peter has become a terrible tyrant. Suspicious of the return of his long-lost brother, whose rightful inheritance also controls the lockstep hibernation cycles, Peter sees Toby as a threat to his regime. Now, with the help of a lockstep girl named Corva, Toby must survive the forces of this new Empire, outwit his siblings, and save human civilization.Karl Schroeder's Lockstep is a grand innovation in hard SF space opera.

The Cold Between


Elizabeth Bonesteel - 2016
    She knows Trey is innocent—he was with her when Danny was killed. So who is the real killer and why are the cops framing an innocent man?While retracing Danny’s last hours, they discover that his death may be tied to a mystery from the past: the destruction of a Central Corps starship at a wormhole near Volhynia. For twenty-five years, Central Gov has been lying about the tragedy, even willing to go to war with the outlaw tribe PSI to protect their secrets.With the authorities closing in, Elena and Trey head to the wormhole, certain they’ll find answers on the other side. But the truth that awaits them is far more terrifying than they ever imagined—a conspiracy deep within Central Gov that threatens all of human civilization throughout the inhabited reaches of the galaxy . . . and beyond.

The Unincorporated Man


Dani Kollin - 2009
    This reborn civilization is one in which every individual is incorporated at birth, and spends many years trying to attain control over his or her own life by getting a majority of his or her own shares. Life extension has made life very long indeed.Now the incredible has happened: a billionaire businessman from our time, frozen in secret in the early twenty-first century, is discovered and resurrected, given health and a vigorous younger body. Justin Cord is the only unincorporated man in the world, a true stranger in this strange land. Justin survived because he is tough and smart. He cannot accept only part ownership of himself, even if that places him in conflict with a civilization that extends outside the solar system to the Oort Cloud.  People will be arguing about this novel and this world for decades.

Deathstalker


Simon R. Green - 1994
    From peasants to masters of the galaxy's most powerful families, all were subject to the queen's unpredictable decrees of "outlawing" and death.Owen Deathstalker, unwilling head of his clan, sought to avoid the perils of the Empire's warring factions but unexpectedly found a price on his head. He fled to Mistworld, where he began to build an unlikely force to topple the throne-- a broken hero, an outlawed Hadenman, a thief, and a bounty hunter. With their help, the Deathstalker took the first step of a far more dangerous journey to claim the role for which he'd been destined since before his birth...

Foreigner


C.J. Cherryh - 1994
    Cherryh's eponymous series, Foreigner begins an epic tale of the survivors of a lost spacecraft who crash-land on a planet inhabited by a hostile, sentient alien race.From its beginnings as a human-alien story of first contact, the Foreigner series has become a true science fiction odyssey, following a civilization from the age of steam through early space flight to confrontations with other alien species in distant sectors of space. It is the masterwork of a truly remarkable author.

The Quantum Magician


Derek Künsken - 2018
    He found a precarious balance as a con man, but when a client offers him untold wealth to move a squadron of warships across an enemy wormhole, he must embrace his birthright to even try. In fact, the job is so big that he'll need a crew built from all the new sub-branches of humanity. If he succeeds, he might trigger an interstellar war, but success might also point the way to the next step of Homo quantus evolution.

The Collapsing Empire


John Scalzi - 2017
    Humanity flows away from Earth, into space, and in time forgets our home world and creates a new empire, the Interdependency, whose ethos requires that no one human outpost can survive without the others. It’s a hedge against interstellar war -- and a system of control for the rulers of the empire.The Flow is eternal -- but it is not static. Just as a river changes course, The Flow changes as well, cutting off worlds from the rest of humanity. When it’s discovered that The Flow is moving, possibly cutting off all human worlds from faster than light travel forever, three individuals -- a scientist, a starship captain and the Empress of the Interdependency -- are in a race against time to discover what, if anything, can be salvaged from an interstellar empire on the brink of collapse.

Chilling Effect


Valerie Valdes - 2019
    When her sister Mari is kidnapped by The Fridge, a shadowy syndicate that holds people hostage in cryostasis, Eva must undergo a series of unpleasant, dangerous missions to pay the ransom.But Eva may lose her mind before she can raise the money. The ship’s hold is full of psychic cats, an amorous fish-faced emperor wants her dead after she rejects his advances, and her sweet engineer is giving her a pesky case of feelings. The worse things get, the more she lies, raising suspicions and testing her loyalty to her found family.To free her sister, Eva will risk everything: her crew, her ship, and the life she’s built on the ashes of her past misdeeds. But when the dominoes start to fall and she finds the real threat is greater than she imagined, she must decide whether to play it cool or burn it all down.

Artemis


Andy Weir - 2017
    Well, sort of. Life on Artemis, the first and only city on the moon, is tough if you're not a rich tourist or an eccentric billionaire. So smuggling in the occasional harmless bit of contraband barely counts, right? Not when you've got debts to pay and your job as a porter barely covers the rent. Everything changes when Jazz sees the chance to commit the perfect crime, with a reward too lucrative to turn down. But pulling off the impossible is just the start of her problems, as she learns that she's stepped square into a conspiracy for control of Artemis itself—and that now, her only chance at survival lies in a gambit even riskier than the first.

Triplanetary


E.E. "Doc" Smith - 1948
    The Arisians, using advanced mental technology, have foreseen the invasion of their galaxy by the corrupt and evil Eddorians, so they begin a breeding program on every planet in their universe. Their goal...to produce super warriors who can hold off the invading Eddorians.

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.

Salvaged


Madeleine Roux - 2019
    A CAPTAIN ADRIFT IN SPACE. ONE OF THEM IS INFECTED WITH AN ALIEN PARASITE. In this dark science fiction thriller, a young woman must confront her past so the human race will have a future.Rosalyn Devar is on the run from her famous family, the bioengineering job she's come to hate, and her messed-up life. She's run all the way to outer space, where she's taken a position as a "space janitor," cleaning up ill-fated research expeditions. But no matter how far she goes, Rosalyn can't escape herself. After too many mistakes on the job, she's given one last chance: take care of salvaging the Brigantine, a research vessel that has gone dark, with all crew aboard thought dead.But the Brigantine's crew are very much alive--if not entirely human. Now Rosalyn is trapped on board, alone with a crew infected by a mysterious parasitic alien. The captain, Edison Aries, seems to still maintain some control over himself and the crew, but he won't be able to keep fighting much longer. Rosalyn and Edison must find a way to stop the parasite's onslaught...or it may take over the entire human race.

One Way


S.J. Morden - 2018
    But the company that's been contracted to construct a new Mars base, has made promises they can't fulfill and is desperate enough to cut corners. The first thing to go is the automation . . . the next thing they'll have to deal with is the eight astronauts they'll send to Mars, when there aren't supposed to be any at all.Frank - father, architect, murderer - is recruited for the mission to Mars with the promise of a better life, along with seven of his most notorious fellow inmates. But as his crew sets to work on the red wasteland of Mars, the accidents mount up, and Frank begins to suspect they might not be accidents at all. As the list of suspect grows shorter, it's up to Frank to uncover the terrible truth before it's too late.Dr. S. J. Morden trained as a rocket scientist before becoming the author of razor-sharp, award-winning science fiction. Perfect for fans of Andy Weir's The Martian and Richard Morgan, One Way takes off like a rocket, pulling us along on a terrifying, epic ride with only one way out.

In the Ocean of Night


Gregory Benford - 1977
    Ordered to destroy the comet, he instead discovers that it is actually the shell of a derelict space probe - a wreck with just enough power to emit a single electronic signal...2034: Then a reply is heard. Searching for the source of this signal that comes from outside the solar system, Nigel discovers the existence of a sentient ship. When the new vessel begins to communicate directly with him, the astronaut learns of the horrors that await humanity. For the ship was created by an alien race that has spent billions and billions of years searching for intelligent life...to annihilate it.In the Ocean of Night is a 1977 hard science fiction novel by Gregory Benford. It is the first novel in his Galactic Center Saga. It was nominated for the Nebula Award for Best Novel in 1977. It was first published as a novelette in the May/June 1972 edition of Worlds of If Science Fiction.