Showing titles in Hard Science Fiction

Mahina's terraformers built a high-tech urban paradise. Then Earth flooded the colony with desperate refugees, cop Sass Collier among them. The settlers who arrived with Sass died decades ago. Outside the citadel, their descendants die weak and young. Sass fought a rebellion against the city once. She won concessions to give the settlers a chance at health. She paid with 20 years in prison. Now she’s out, a reformed character. She assembles an oddball crew doing odd jobs. She intends to mind her own business. But her fellow settlers are still failing.

The intrepid crews of the Kogarashi, Bellerophon, and Sagan Explorer have just passed through an alien portal and arrived in a distant star system. With no way home, they're forced to explore a hostile alien world. Have the teams made the worst decisions of their lives? Or will they succeed in finding answers to save themselves and the rest of humanity?

New planets are fair game to asset strippers and interplanetary opportunists – and a commercial mission to a distant star system discovers a moon that is pitch black, but alive with radio activity. Its high-gravity, high-pressure, zero-oxygen environment is anathema to human life, but ripe for exploitation. They named it Shroud. Under no circumstances should a human end up on Shroud’s inhospitable surface. Except a catastrophic accident sees Juna Ceelander and Mai Ste Etienne doing just that.

When John Bandicut sets out across the surface of Triton, he's hardly ready for the storm of chaos that's about to blow through his life. The alien Quarx that soon inhabits his mind is humanity's first contact with an alien life. The Quarx, part of an ancient galactic civilization that manipulates chaos theory to predict catastrophic events, seeks to prevent a cometary collision that could destroy the Earth. But it must have help. If Bandicut chooses to trust the Quarx, he must break all the rules - indeed, sacrifice his own life.

The Dusahn Empire has been contained for the moment. But there is much work to be done in order to keep them from reasserting their dominance over the Pentaurus sector. As much as Captain Scott wants to see the Empire destroyed, he may have no choice but to find a way to coexist with them.

In the year 2043, humans and AI coexist in a precarious balance of power enforced by a rigid caste reputation system designed to ensure that only those AI who are trustworthy and contribute to human society increase in power.

There is a fine line between right and wrong, good and evil. For years Jason Burke has straddled that line as best he can, always convinced that despite the violence carried out by him and his team they were firmly on the right side of that line. But as he reflects on his time with Omega Force, he begins to have his doubts. When strange happenings from the mysterious Avarian Empire cross the expanse and Jason and Omega Force are pulled into the conflict, they must pick sides between two superpowers

Professor James Lowry didn’t believe in spirits, or witches, or demons. Not until a gentle spring evening when his hat disappeared, and suddenly he couldn’t remember the last four hours of his life. Now, the quiet university town of Atworthy is changing - slightly at first, then faster and more frighteningly each time he tries to remember.

The Galactic Star Alliance has been alive and well for millions of Earth years. Hundreds of thousands of worlds and trillions of beings move across the many home worlds of the Alliance. This revelation invites many questions: How is faster-than-light speed travel possible, and could cohesive, interstellar civilizations exist without it? Is it conceivable to govern a coalition not of different countries but of different species?

In the near future, disease will be a condition of the past. Most genetic defects will be removed at birth; the remaining during infancy. Unfortunately, there will be a generation left behind. For members of that missed generation, small advances will be made. Through various programs, they will be taught to get along in the world despite their differences. They will be made active and contributing members of society. But they will never be normal.

Captain Keyes is loved by the public but hated by Command. He captains the UHS Providence, an aging supercarrier and the last human ship not dependent on dark tech - technology humanity has used to rule over the galaxy since barely defeating the Ixa in the First Galactic War.

The ship survived, but over time, the original crew died out. Their children were left to continue the fight for their home against their sworn enemy, the vicious alien Malibor. They’ve lived their whole lives in space. Their idea of heaven is open air, blue skies, and the quiet of peace. But they'll never have that if they don't take it by force.

From New York Times best-selling author Mira Grant comes a vision of a decade in the future, where humanity thrives in the absence of sickness and disease. We owe our good health to a humble parasite—a genetically engineered tapeworm developed by the pioneering SymboGen Corporation. When implanted, the Intestinal Bodyguard worm protects us from illness, boosts our immune system—even secretes designer drugs. It's been successful beyond the scientists' wildest dreams. Now, years on, almost every human being has a SymboGen tapeworm living within them.

Dr. Eliza Raines has just made the discovery of a lifetime: Actual alien ruins on the surface of Mars. But during a massive dust storm, her expedition and mankind’s first colony on the Martian surface falls radio silent. It’s assumed to be a downed transmitter in the storm. The resupply vessel Murcielago, and its crew, are directed to assist with repairs. But neurotic ship’s engineer Leo Taggart can’t shake the idea something is terribly wrong. Gruff military policeman Kyle Locklear is confident in his team’s ability to handle whatever’s going on.

When Nick Hall wakes up in a dumpster - bloodied, without a memory, and hearing voices in his head - he knows things are bad. But they're about to get far worse. Because he's being hunted by a team of relentless assassins. Soon Hall discovers that advanced electronics have been implanted in his brain, and he now has two astonishing abilities. He can surf the web using thoughts alone. And he can read minds. But who inserted the implants? And why? And why is someone so desperate to kill him?

Years ago, one starship and its crew discovered an alien entity which changed everything. Its discovery finally bought an end to the interstellar war being fought between the masses of humanity and the few pockets of genetically engineered colonists. An uneasy peace was negotiated as the human race realised there was something else sharing our universe. Something that had plans for us. But the aliens have remained silent. The earthers have begun to test the edges of the peace treaty.

The war ended with Nick's team sacrificed to the enemy as part of the truce. His team tortured and killed in front of him, Nick alone escaped, returned home, and hid deep in the northern Maine forests. Until someone said, "I love you." But Nick's never been loved, doesn't know if he can even feel love, and for the first time since Augmentation is terrified the monster he is might destroy the woman who wants to teach him about love.

Two humans and a robot on their own in the Alpha Centauri system: Marchenko, Adam and Eve have found asylum on a planet inhabited by aliens. They could spend the rest of their lives here in peace. But apparently there are many more people who, like them, have been sent to alien systems without a return ticket and without being asked - castaways with uncertain fates who need their help. Their alien rescuers generously offer to take them on a search in one of their spaceships.

In the Hereditary Tyranny of Tartesh, what was once a vast sea basin is now a dried-out, unforgiving desert. When the kingdom's enemies try to shake down the Barrier Mountains and let the ocean in, Trench Park tour guide Radnal vez Krobir must stop them or be destroyed along with everything he holds dear. Down in the Bottomlands received the 1994 Hugo Award for Best Novella.

Everyone knows that Chitzas are masters of spatial compression, routinely exploring distant places across the Milky Way in their wedge-shaped scout ships. But rumors abound of even greater accomplishments. Some say these intrepid explorers have reached beyond the galaxy. When a distress signal is received from deep space, making sense of the emergency becomes a personal matter for Daniel Rice. His wife is onboard that ship.