Space Adventures Science

The Custodian Guard have stood watch over the Emperor's Palace on Terra since the foundation of the Imperium. Charged with protecting the Master of Mankind from all threats, within and without, their fearsome resolve is renowned throughout the galaxy, and their golden armour is the last thing that a would-be assassin or saboteur will ever see.

The Interdependency, humanity’s interstellar empire, is on the verge of collapse. The Flow, the extra-dimensional conduit that makes travel between the stars possible, is disappearing, leaving entire star systems stranded. When it goes, human civilization may go with it - unless desperate measures can be taken. Emperox Grayland II, the leader of the Interdependency, is ready to take those measures to help ensure the survival of billions. But nothing is ever that easy.

The Confederated Systems Alliance has spread to dozens of systems, creating the first true interstellar alliance dedicated to bringing peace and prosperity to all inhabited worlds. Unfortunately, some see this new alliance as a threat to their own seats of power, and would do anything to stop it. After a well deserved rest, Captain Nathan Scott is once again called into action. This time, it is not the fate of the galaxy that is on his shoulders, but the life of one of his dearest friends. But not all is as it appears.

At long last, an extraterrestrial civilization reached out and made the First Contact. However, no one on Earth took their communique for the genuine article. In a similar vein, very few people appreciated just how little time our new suzerains had promised to keep our planet safe. Regardless, the end of their message showed humankind how to access a mysterious game. The objective of this game is unclear. No one can say where its servers are located, and its inner workings are beyond comprehension.

After saving the world many times, the Merry Band of Pirates have accepted the inevitable: Earth is doomed. All they can do is try to bring a few thousand people to safety, before vicious aliens arrive to destroy humanity's homeworld. No. There is one other thing they can do: hit the enemy so hard that the aliens will regret they ever heard of humans.

The remnants of the Expeditionary Force stranded on the alien-controlled planet "Paradise" get a chance to prove themselves, in a simple off-world training mission with a ship full of teenage alien cadets. When the mission goes horribly wrong and the survival of everyone on Paradise is at risk, the Merry Band of Pirates may have to come to the rescue. Unless they get killed first....

When Earth's colonies go silent, Legion Varus drops onto Kepler-62 expecting a routine investigation. Instead, they find something far worse than death. The colonists aren't dead—they're changed. A new kind of enemy has arrived in Province 921, microscopic invaders that transform humans into perfectly coordinated killing machines. These "Demon" parasites don't just control minds; they improve them, creating an army that works with terrifying efficiency.

A great darkness has befallen the galaxy, and the armies of Chaos are rampant. To survive, humanity must retaliate and take back what they have lost. By the will of the reborn primarch, Roboute Guilliman, is the Indomitus Crusade launched - a military undertaking that eclipses all others in known history. From the Throneworld of Terra does the Avenging Son hurl his fleets, their mission the very salvation of mankind.

Two centuries ago, the First Expansionary Fleet set off to the farthest reaches of the galaxy, hoping to explore, colonize, and conquer new worlds in the name of humanity. But when the fleet was violently and unexpectedly thrown off course, the colonists found themselves trapped in an unexplored region of the galaxy—and caught right in the middle of a bloody interstellar war. Now, after generations of relentless fighting, a tentative truce has finally ushered in an era of growth and prosperity.

The Cadian Gate is broken, and the Imperium is riven in two. The might of the Traitor Legions, kept shackled for millennia behind walls of iron and sorcery, has been unleashed on a darkening galaxy. Among those seeking vengeance on the Corpse Emperor’s faltering realm are the Death Guard, once proud crusaders of the Legiones Astartes, now debased creatures of terror and contagion.

The unimaginable has happened. Sylvas has taken in War, Blood, and Strife and bound it to his heart. A feat that has seen the Empyrean Alliance plucking him from the comforts of the Ardent and pulling back the veil that once masked everything. Now, for the first time ever, Sylvas can see his place in the galaxy, standing between the threats that seek to unmake it.

In 2088, humankind is at last ready to explore beyond Earth's solar system. But one uncertainty remains: Where do we go? Astrophysicist Reggie Straifer has an idea. He's discovered an anomalous star that appears to defy the laws of physics and proposes the creation of a deep-space mission to find out whether the star is a weird natural phenomenon or something manufactured.

Persecuted refugees from six separate alien races have migrated to the idyllic planet Jijo. And despite their incredible diversity, the inhabitants live together in blissful harmony. However, settlement on Jijo is illegal - and it's only a matter of time before the residents of this forbidden paradise are discovered by the galactic powers-that-be.

After failing the most important exam of his life, Kyle is forced into a VR war. Now, he fights on the front lines as cannon fodder for what he always assumed was the government, losing a little part of his memories with every virtual death.

In the stunning continuation of the epic adventure begun in Hyperion, Simmons returns us to a far future resplendent with drama and invention. Onthe world of Hyperion, the mysterious Time Tombs are opening. And the secrets they contain mean that nothing - nothing anywhere in the universe - will ever be the same.

While the crew of the UN Expeditionary Force's pirate starship Flying Dutchman are enjoying a luxury vacation cruise (not!), UNEF troops are still stranded on an alien-controlled planet. Major Emily Perkins and her team are busy picking up the pieces, and it's not easy, because there is trouble on Paradise...

The third book in the New York Times bestselling Expanse series, Abaddon's Gate opens the door to the ruins of an alien gate network—and the crew of the Rocinante may hold the key to unlocking its secrets. Now a Prime Original series. For generations, the solar system—Mars, the Moon, the...

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.

The race to Mars had ended generations ago, pushing those seeking fame to venture beyond known borders. Major corporations battled to be first in securing resources and the future, vying for ownership of a new galaxy, akin to historical westward settlers. A single blinking red light signaled a seismic shift—a colossal deposit of zosmodious ore that eclipsed all others. The catch? It lay on an uncharted planet, Code Name Viridian. Could this audacious find reshape the course of humanity, transcending even human boundaries?

When asubatomic physics experiment causes a massive explosion, interdimensional gateways open in Florida - and aliens pour out. Some intend to bring Earth to its knees. Others seem willing to help, but will annihilate the planet if Navy SEAL Command Master Chief Robert Miller can't stop the menace from spreading.