Science Fiction Adventure War Space Opera

The science fiction genre has become increasingly influential in mainstream popular culture, evolving into one of the most engaging storytelling tools we use to think about technology and consider the shape of the future. Along the way, it has also become one of the major lenses we use to explore important philosophical questions. The origins of science fiction are most often thought to trace to Mary Shelley's novel Frankenstein, a story born from a night of spooky tale-telling by the fireside that explores scientific, moral, and ethical questions that were of great concern in the 19th century - and that continue to resonate today.

The universe is a dangerous place in John Scalzi's Old Man's War, the first in The Old Man's War series. At seventy-five years old, John Perry is after a fresh start - so, naturally, he joins the army. Earth's military machine can transform elderly recruits, restoring their lost youth. But in...

They were humanity's last hope. As the majority of Earth's population uploaded their consciousnesses to embrace digital immortality—free from illness and death in the simulated Metaverse—the Beta Explorers were tasked with expanding their presence throughout the galaxy. They terraformed worlds and created colonies so that humans could live and thrive in physical environments.

Born on a forsaken desert planet, Cole Shaw has two options - perish from starvation and disease, or enlist in the New World Republic’s armed forces. He chooses the military. For the first time, he thinks he has a shot at a better life. But survival is not guaranteed. Leading an elite team of mech operators, he is deployed to a frozen planet called Ferrous where dangerous relics of a past war lurk beneath the ice and savage creatures prowl the barren wastelands. Scientists on Ferrous are chasing rumors of godlike technologies buried in the ruins of a long-extinct civilization.

In a single act of courage, the young American grunt saves an interstellar soldier from certain death at the hands of a vicious killer. Afterward, she promises to show him the stars. Mark will begin his new life far away from Earth—a life not so different from that of a humble soldier. Out among the asteroids, he learns of swords and honor, starships and empires. He learns what it means to be a Peacemaker. Along the way, he's joined by Perry, his combat AI companion who helps Mark learn how to survive—and earn a living—among the stars.

Hard-core military science fiction at its very best, John Scalzi's The Last Colony is the third in The Old Man's War series. They must save themselves – or die trying. John Perry was living peacefully on one of humanity's colonies – until he and his wife were offered an opportunity these...

After seven years of bitter war, the end has come at last for the conflict known infamously as the Horus Heresy. Terra now lies within the Warmaster’s sights, the Throneworld and the seat of his father’s rule. Horus’ desire is nothing less than the death of the Emperor of Mankind and the utter subjugation of the Imperium. He has become the ascendant vessel of Chaos and amassed a terrible army with which to enact his will and vengeance. But the way to the Throne will be hard as the primarch Rogal Dorn, the Praetorian and protector of Terra, marshals the defences.

The military SF sequel to his extraordinary Old Man's War, John Scalzi's The Ghost Brigades is the second in The Old Man's War series. Who can you trust, if you can't trust yourself? Three hostile alien races have united against humanity, determined to halt our expansion into space. The...

Major Katherine "Peregrine" Asher of the United Earth Alliance has never heard of the Tetron. As the pilot in charge of guiding Earth's first interstellar starship into space, she has enough to think about already. But when a standard meet-and-greet with the global elite goes sideways, Katherine finds herself front and center in a war she has never heard of and doesn't understand. A war where the enemy can be anyone, and her only hope of survival rests on finding a soldier who doesn't exist.

Colonel Mitchell "Ares" Williams has been through it all, the story of his life an eternity in the making. He's brought the starship Goliath back home in a shrewd maneuver that could turn the tide of a war that he has fought beyond forever, restoring those that were lost and giving him a second chance to change the fate of humankind. A chance to destroy the Tetron for good. But as Mitchell soon discovers, the more things have stayed the same, the more they've changed, and he isn't the only one who's been waiting for this time to come...

With over 10 million copies sold, The Expanse has become one of the biggest science fiction phenomenons of the decade. The second book in the New York Times bestselling Expanse series, Caliban's War shows a solar system on the brink of war, and the only hope of peace rests on James Holden and...

An ancient starship discovered... An eternal enemy revealed... An impossible mission to save humankind. The Goliath has been discovered, the first of its secrets revealed. Now the race is on for Captain Mitchell Williams and his crew to return to Liberty and recover Origin's lost memories before the enemy can complete their violent conquest. It's a mission with a near-zero chance of success. A mission that only the Riggers would be crazy enough to accept - and skilled enough to survive.

The people of Earth now know that the human Colonial Union has kept them ignorant of the dangerous universe around them. For generations the CU had defended humanity against hostile aliens, deliberately keeping Earth an ignorant backwater and a source of military recruits. Now the CU’s secrets are known to all. Other alien races have come on the scene and formed a new alliance - an alliance against the Colonial Union. And they’ve invited the people of Earth to join them. For a shaken and betrayed Earth, the choice isn't obvious or easy.

From a New York Times bestselling and Hugo award-winning author comes a modern masterwork of science fiction, introducing a captain, his crew, and a detective as they unravel a horrifying solar system wide conspiracy that begins with a single missing girl. Now a Prime Original series. Humanity...

Jack Bennet returns from the war to find the life he left behind has moved on without him. The only option he has to make ends meet lies in a military surplus junkyard starship. What’s a former Combat Search and Rescue soldier to do? Fix up the ship, hire the cheapest pilot—a notorious drunk—and take the first contract that comes up: collect a bounty on one of the most ruthless killers in the Pirate Worlds, a place crawling with thieves, cutthroats and con artists whose primary language is violence. Jack must abandon his nice guy persona, or exploit it, if he is to survive.

Lieutenant Xedro Farren is a Primaris Marine, stronger and more adept than even the Space Marines his brotherhood is sent to fight alongside. As the Dark Angels and the Primaris Marines fight a trauma-scarred force of T’au hellbent on destroying their former allies, the true quarry becomes clear - the shadowy instigator of a psychic curse that could plunge a string of Imperial planets into madness. As worlds burn in the fires of battle, an unthinkable pact is struck, with the Primaris Marines peeling back layer after layer of deceit to find the appalling truth.

Carter Ash must take the fight to his enemies—or risk losing everything. As the leader of the United Interplanetary Republic, he knows the only chance for his people’s survival is defeating the Empire of Humanity. But the Emperor and his army are much stronger than Carter knows—and they will stop at nothing to wipe the evidence of his embarrassing betrayal from the face of the galaxy. Now, they must pin their hopes on a daring mission into the heart of danger to keep the Empire from attacking. With a sultry sniper at his side, can he win an unwinnable fight?

Murph and Jack are on the hunt for the biggest prize of them all: the Fifth Gate. But what exactly is it? And what will they do when they find it? Jack thinks he knows the answer, but what they find might not be what they expect. To make matters worse, someone else is on the hunt. And not just anyone, but another Orphan, and a powerful one at that. With his team by his side, Murph saddles up and prepares for a fight he won't soon forget.

Strange signals from the edge of the solar system draw the carrier ECS Vanguard into the darkness beyond the planets. There, humanity faces a new alien threat—the Blight. They have come to exterminate what they believe is their ancient enemy's latest puppet civilization. Earth struggles to control the skies with fighters and throws its Lizard shock troops into bloody ground battles. While the war rages, Flex must uncover the truth about the hyperspace rivers connecting the stars, the mysterious Cure that terrorized Venus, and why the Blight believes humanity is already enslaved.

All alone in a dangerous galaxy — a new civilization struggles for survival. War rages across the galaxy. Difficult diplomacy is all that keeps Carter Ash and his people safe from the threats around them. They need all the time they can get to build their home, because every day new, hungry eyes turn towards their fledgling government and their resource rich moon. Even now, multiple invading fleets race towards Carter’s home — and it’ll take everything he’s got to be ready for the fight of his life. And to top it off, a blast from his past arrives, complicating everything.