Hard Science Fiction Space

Time is running out for the planet Jai. The artificially intelligent Gods who rule the galaxy have withdrawn their protection from the chaos-ravaged world, just as their most ancient enemy closes in. For Yasira Shien, who has devoted herself to the fragile planet's nascent rebellion, it's time to do or die—and the odds are overwhelming. Enter Dr. Evianna Talirr.

When Simon and Katherine Hawke stumble upon an alien shuttle that has landed on earth, it’ll not only change the course of their lives, but of the entire world. Taking the shuttle into orbit, they discover a much larger ship left adrift with no one on board. Commandeering it, they confirm that we’re not alone in the universe and must prepare the human race for what is about to come. Recruiting from all over the world, they begin to expand their fleet and build a federation to give humans a foothold in the galaxy.

The extermination of Earth is at hand. With his increasingly irrational leadership Basil Wenceslas, chairman of the Hansa, has driven humanity into a corner. His punitive treatment of the Hansa colonies and the Roamers, as well as his refusal to aid an embattled Theroc, have made enemies for the people of Earth.

When Unit Four - a biological soft robot built and stored high above the Jovian atmosphere - is activated for the first time, it’s in crisis mode. Aliens are attacking the Helium-3 mine it was created to oversee, and now its sole purpose is to defend Earth’s largest energy resource from the invaders in ship-to-ship combat. But something’s wrong. Unit Four doesn’t feel quite right. There are files in its databanks it can’t account for, unusual chemical combinations roaring through its pipes, and the primers it possesses on the aliens are suspiciously sparse.

The world’s most destructive spacecraft is about to get hijacked.Virago is the codename for a top secret project between ACE Corp and the US Space Force. Its goal is to deploy the first fusion-powered battleship to ensure American domination of any potential conflict in space. There’s only one problem. Virago has been stolen. The world is now at the brink of war as the hijacked spacecraft forges a path of destruction across known space. The task to intercept and retake this dangerous adversary falls on corporate fixer Stilicho Jones and NASA Special Agent Darian Arante. This time the ...

Lux keeps inventing things or adapting alien tech (ancient tech to the aliens) because the active alien civilizations they discover through portals and probes have gone through cycles of war, decline, and rebirth several times. Lux further develops the portals using discovered alien tech. Earth empties refugee camps the UN was running (1,200,000) and sends them with a military escort for their "safety." The military sends many ships for escort duty with orders to take over the colony and use the refugees as a labor force.

One soldier. Armed. Dangerous. And Lost. It was the biggest raid in the history of Dynamic Operations. Cryne had trained his entire career for this. One second, he was en route to the enemy’s capital via an experimental transport system; the next, he was alone in an empty forest. Something was off. Way off. In need of answers and a way home, Cryne will have to rely on years of training and combat skills to get himself back to where he belongs. If that’s even possible….

Rigel is a thousand lightyears farther from the Core Worlds than Earth, so they suffer the first attacks. The mood at Central is jubilant. Our greatest rival is falling—now is the time to strike while they’re weak! Legion Varus is deployed to Jungle World, a vital planet deep in Rigellian territory. Our foes, fighting on two fronts, are driven back with ease. But one man questions the wisdom of this move. Should Earth expand with greed, aiding new monsters from the Galactic Rim? That lone voice of reason comes from James McGill.

First in a brand-new Foreigner trilogy by Hugo Award-winning author C. J. Cherryh. Tracker is the 16th installment of C. J. Cherryh's acclaimed Foreigner series.

When a human team is sent to scout a few hundred light-years in front of the death wave, it encounters a civilization far in advance of our own, a civilization of machine intelligences.These sentient, intelligent machines have existed for eons and have survived earlier "death waves" - gamma-ray bursts from the core of the galaxy. They are totally self-sufficient, completely certain that the death wave cannot harm them, and utterly uninterested in helping to save other civilizations.

Once, Dan Randolph was one of the richest men on Earth. Now the planet is spiraling into environmental disaster, with floods and earthquakes destroying the lives of millions. Martin Humphries, fabulously wealthy heir of the Humphries Trust, also knows that space-based industry is the way of the future. But unlike Randolph, he does not care if Earth perishes in the process.

One shot at saving a world. One life to give. When things—dark things—swoop and crawl from the pollution, something must be done to prolong the life expectancy of Trenton’s dying three-tiered world. Recruited for a last desperate attempt at ending the contamination, he takes on a grueling and perilous climb to the top of a colossal tower perched atop a high plateau. His mission; steal vital transporter equipment. With the conditional aid of sketchy underground technology, Trenton abandons the safety of his familiar biosphere, a hardcore sacrifice he accepts for the slim hope of ...

Captain Jason Burke is a man apart, and not just because he's the only of his kind for thousands of light-years in any direction. The changes to his body and to his genetic code have made him faster, stronger, more able to survive in his dangerous occupation...but they've also ensured that he'll never truly fit in with others of his species. He always assumed he would live and die with his crew and never lay eyes on another human again. He was wrong.

Cajeiri is the young son of the powerful leader of the Western Association-and he has become a target for forces bent on destroying his father's rule. For Cajeiri is the first ateva to understand the humans living among them-an understanding that threatens his own race.

Gunnery Sergeant Torin Kerr had been the very model of a Confederation Marine. No one who'd ever served with her could imagine any circumstance that would see her walking away from the Corps. But that was before Torin learned the truth about the war the Confederation was fighting...before she'd been declared dead and had spent time in a prison that shouldn't exist...before she'd learned about the "plastic" beings who were really behind the war between the Confederation and the Others. That was when Torin left the military for good.

The Year is 2040. The Marines have landed on Mars to guard the unearthed secrets of an ancient and dangerous alien race: Ourselves. Scientists have discovered something astonishing in the subterranean ruins of a sprawling Martian city: startling evidence of an alternative history that threatens to split humanity into opposing factions and plunge the Earth into chaos and war.

Two years have passed since comet Anduru skimmed the clouds of Saturn on its way to Earth. Kath and Nolan are looking for answers, trying to find ways to protect Earth from the possibility of an invasive alien species overrunning the planet.

Galloper’s Quests, based on Gulliver’s Travels, begins in 2079. Navy Captain Samuel Galloper is a scientist who continually seeks answers about the mysteries of the universe. The military only temporarily quieted his feverish mind through its regimented ways. Galloper invents a propulsion system that transforms matter into energy and can open wormholes. However, the military wants to steal his work and use it to wage war. So, Galloper decides to prevent the perversion of his invention by leaving Earth on a journey through the cosmos. He visits three planets whose inhabitants exhibit ...

A year ago the Kher Empire was forced to retreat, but they were not beaten. In Orion Fleet, they return with a new weapon. A huge ship driven by AI begins methodically grinding inhabited worlds to dust. This unstoppable enemy is without fear or remorse, and the Rebels begin a desperate battle just to slow its advance. Leo Blake takes Earth's first warship into space to find a counter to this deadly new attack. The Imperial Fleets take notice of Earth's interference, and they're intent upon revenge. Even if he wins, Blake might have doomed our homeworld.

This genre-bending novel is set on Earth in the wake of a second civil war...not between two factions in one nation, but two factions in one solar system: Mars and Earth. In an attempt to repair increasing tensions, the colonies of Mars send a group of young people to live on Earth to help reconcile humanity. But the group finds itself with no real home, no friends, and fractured allegiances as they struggle to find a sense of community and identity, trapped between two worlds.