Space Science Fiction

General Sean Quinn leads a desperate mission to return Aczar refugees to their distant homeworld—a mercy run that spirals into something far deadlier. The Aczar have emerged from their underground exile wielding orbital weapons that could challenge any fleet. Their revolution has freed them from ancient manipulation, but the refugees Sean escorts are branded traitors for choosing outsiders over their own people. There is no sanctuary waiting—only accusations and unknown consequences. As diplomacy crumbles, Major Ethan Gates traces mysterious signals to a forgotten relic drifting in the void.

A reckless act of compassion costs Dr. Kira Aist her family and her future on Earth. To escape her enemies, she calls on her heritage as a descendant of Baba Yaga and walks between worlds. As Kira roams the paths of Reality, strangers are drawn to her House. Some seek refuge, some seek power, and one just wants kitty treats. With the fate of multiple worlds hanging in the balance, Kira must discover what it means to be a sorcerer and the keeper of a House.

The Pandominion: a political and trading alliance of a million worlds–except that they’re really just the one world, Earth, in many different realities. And when an AI threat arises that could destroy everything the Pandominion has built, they'll eradicate it by whatever means necessary, no matter the cost to human life.

It’s been 120 years since the 50 or so worldships containing the few million survivors of the human species set off after the planet Earth was destroyed by a meteor. On the Worldship Humility, Sam, a 30-year-old Airlock Operative, is bored. Living in space should be exciting and full of adventure, except it isn’t, and he fills his time hacking 3-D movie posters and holographic adverts outside the stores in the retail zone. Petty thief Yasmine Emile Dufont is also from the WS Humility, but she is not bored....

When the world of Armageddon is attacked by orks, the Black Templars Space Marine Chapter are amongst those sent to liberate it. Chaplain Grimaldus and a band of Black Templars are charged with the defence of Hive Helsreach from the xenos invaders in one of the many battle zones. But as the orks' numbers grow and the Space Marines' numbers dwindle, Grimaldus faces a desperate last stand in an Imperial temple.

A Fire Upon the Deep is the big, breakout book that fulfills the promise of Vinge's career to date: a gripping tale of galactic war told on a cosmic scale. Thousands of years hence, many races inhabit a universe where a mind's potential is determined by its location in space, from superintelligent entities in the Transcend, to the limited minds of the Unthinking Depths, where only simple creatures and technology can function.

Tamsyn Muir’s Gideon the Ninth unveils a solar system of swordplay, cut-throat politics, and lesbian necromancers. Her characters leap out of the audio, as skillfully animated as arcane revenants. The result is a heart-pounding epic science fantasy. Brought up by unfriendly, ossifying nuns, ancient retainers, and countless skeletons, Gideon is ready to abandon a life of servitude and an afterlife as a reanimated corpse.

Here, Simmons returns to this richly imagined world of technological achievement, excitement, wonder and fear. Endymion is a story about love and memory, triumph and terror - an instant candidate for the field's highest honors.

Fiery and determined, Madison Justice navigates the depths of space, searching for her father and a place to call home. Expelled from the Naval Academy for her unyielding sense of justice, she now forges her own path as a freelance mercenary. But the void is vast and unforgiving. To find her father, the elusive captain of the Gypsy Rose, Madison must prove her mettle in a realm where morality is a luxury few can afford. Harassed by rivals and entangled in the schemes of a ruthless commander, she fights to keep her conscience intact.

Earth has long ago expanded into space, found, fought, and befriended aliens, and expanded across the galaxy to dominate most of it, but one of the semi-immortal warlords who founded it is about to have a revelation as the "Endgame" that has been whispered between various advanced civilizations lands squarely on his shoulders. The Empire knew this was coming, but they had no idea the scope of it. Lightside civilizations are always hounded and attacked by those who revel in evil, but when the Endgame starts, it's a beatdown like no other coming from outside the galaxy.

Titus Briggs's second chance has become a first-rate, alien-crushing, rebel-stomping success. The MOCOM units are turning the tide of the war, and the Moonlight Rebellion is on the ropes. But if these treasonous humans, who worship alien invaders as gods, are to be finally defeated, it means cutting off the supply of weapons and equipment from their Thephari overlords... if Briggs and his team can find out how they are doing it.

The Traitor Host of Horus Lupercal tightens its iron grip on the Palace of Terra, and one by one the walls and bastions begin to crumple and collapse. Rogal Dorn, Praetorian of Terra, redoubles his efforts to keep the relentless enemy at bay, but his forces are vastly outnumbered and hopelessly outgunned. Dorn simply cannot defend everything. Any chance of survival now requires sacrifice, but what battles dare he lose so that others can be won? Is there one tactical stroke, one crucial combat, that could turn the tide forever and win the war outright?

The war for the fate of mankind blazes on. Though the outer defences have fallen, the walls of the Palace itself remain inviolate as Rogal Dorn, the Praetorian of Terra himself, uses every known stratagem and ploy to keep Horus' vast armies at bay. In Perturabo, the Traitor siegebreaker, Dorn faces an adversary worthy of his skill. A terrible, grinding attrition ensues. The crucial battle for the Lion's Gate spaceport is at the heart of this conflict. With it in their possession, the Traitors can land their most devastating weapons on Terran soil. Dorn knows it must not fall.

A catastrophic event renders the earth a ticking time bomb. In a feverish race against the inevitable, nations around the globe band together to devise an ambitious plan to ensure the survival of humanity far beyond our atmosphere, in outer space.

In youth you'd lay awake at night and scheme.

Micah Cole has been in deep space for three years while his parents chase their obsession with finding intelligence to the far corners of the universe, but Micah dreams of the friends he left behind and counts the days until they return home. When a devastating meteor shower nearly destroys their ship, Micah is separated from his family and stranded on Sovereign, a vast planet of raging rivers, towering forests, and deadly creatures. If Micah ever wants to see his family or his home again, he’ll have to learn to how to survive on a hostile alien world, all alone.

Follow a core group of characters known as the Trailblazers as they use alien technology and knowledge discovered in Antarctic ruins to obtain limited immortality and lead humanity out into the galaxy, encountering, befriending, and fighting hundreds of alien races all the while desperately trying to prepare Earth for the unbeatable threat at the core of the Milky Way that is destined to return and reclaim their lost colony and their former human slaves.

You've heard of him. He's Adam Cain, the alien with an attitude. Now he's back...in a series of new adventures as a badass human, showing the galaxy who's the boss. Accompanied by his buddies Riyad Tarazi and Sherri Valentine, Adam is struggling to make ends meet on a distant tropical world running Capt. Cain's Bar & Grill. The problem: They picked the worst place in the galaxy to run a legitimate business...smack dab in the middle of lawless Dead Zone. Comprised of a hundred dead worlds, The Zone is a gold-rush-like region of salvagers, pirates, and scoundrels.

Three hundred years ago, a liaison-robot-turned-warrior sided with humans in the Great A.I. War. He's one of few hi-level sentients allowed to live. But all this doesn't matter now because he's on the run. Armed with emotion-chip-fueled determination and his beloved weapons, the general flees to a nearby planet where he must unravel a tangled conspiracy to prove his innocence. But that's easier said than done.

It's been eighty years since Thorn split his people into six societies spread across the galaxy. He's known all that time a timeline shift was coming, and the role he needed to play when it did. The mages of his world are ready, including his great-great nephew, Bud. For Bud, living in the shadow of his legend relative hasn't really been an issue, and his role in the timeline shift is supposed to be minor. But Kali has an agenda, magic has its own agenda, and since Thorn is old, and tired of his people's reliance on him, he too has an agenda.