Showing titles in Hard Science Fiction

Welcome to Ringworld, an intermediate step between Dyson Spheres and planets. The gravitational force created by a rotation on its axis of 770 miles per second means no need for a roof. Walls 1,000 miles high at each rim will let in the sun and prevent much air from escaping. Larry Niven's novel, Ringworld, is the winner of the 1970 Hugo Award for Best Novel, the 1970 Nebula Award for Best Novel, and the 1972 Ditmars, an Australian award for Best International Science Fiction.

From Joshua Dalzelle comes the follow-up to the number-one best seller Warship. Captain Jackson Wolfe survived the initial incursion of a vicious alien species into human space...barely. He had assumed the juggernaut that had devastated three Terran systems was the herald for a full invasion, but for the last few years it has been eerily quiet along the Frontier. Jackson now struggles to convince the Confederate leadership the threat is still imminent and needs to be taken seriously.

The year is 2312. Scientific advances have opened gateways to an extraordinary future. Earth is no longer our only home; new habitats have been created throughout the solar system, on moons, planets and in between. But in 2312, a sequence of events will force humanity to confront our past, present and future. The first event takes place on Mercury, in the city of Terminator, itself a miracle of engineering on an unprecedented scale. For Swan Er Hong, it will change her life. Once a designer of worlds, now Swan will be led into a plot to destroy them.

Escaping conflict on Earth, an idealistic group of settlers arrive on a distant planet - Pax - with plans for a perfect society. The world they discover is rich with life, but this is not the Eden they were hoping for. The plants on Pax are smart - smart enough to domesticate, and even slaughter, its many extraordinary animals. To survive, the colonists realise that they must strike bargains of their own. But if they are to make Pax their home, they must go further, searching for a way to communicate and coexist with these utterly alien intelligences.

It is twenty years after the catastrophic war between the US and China that brought down the old American political order. A new party has emerged in the US, one that’s held power for over a decade. Efforts to tighten its grip have resulted in mounting violent resistance. The American president has control of the media, but he is beginning to lose control of the streets. Many fear he’ll stop at nothing to remain in the White House. Suddenly, he collapses in the middle of an address to the nation. After an initial flurry of misinformation, the administration reluctantly announces his death.

Wormhole technology has revealed that our sun will die in 5,000,000 years. A race of superbeings, the fabulous Xeelee, owners of the universe, are thought to be responsible. The bizarre and wealthy cult, the Superet, funds two projects aimed at combatting the force that will murder the sun.

The galaxy is burning. With the Cielcin united under one banner, the Sollan Empire stands alone after the betrayal of the Commonwealth. The Prophet-King of the Cielcin has sent its armies to burn the worlds of men, and worse, there are rumors … whispers that Hadrian Marlowe is dead, killed in the fighting. But it is not so. Hadrian survived with the help of the witch, Valka, and together they escaped the net of the enemy having learned a terrible truth: the gods that the Cielcin worship are real and will not rest until the universe is dark and cold.

Merritt Alder is done with Earth. The planet is polluted and overpopulated, and its people are hungry. Earth's first colony, Galena, is a pioneer world 10,000 light years away. It has clean air, unpolluted water, and continents of arable land. Anyone can start a new life…if they can get there. For Merritt, the journey is only the beginning. Obstacles arise every step of the way, forcing compromise and sacrifice. And not everyone on his ship is pure of heart. The bonds he forges on the journey will be the key to surviving on another world—a world anyone has yet to fully explore.

In outer space you can never feel sure that your adversary is altogether human. The runcible buffers on Samarkand have been mysteriously sabotaged, killing many thousands and destroying a terraforming project. Agent Cormac must reach it by ship to begin an investigation. But Cormac has incurred the wrath of a vicious psychopath called Pelter, who is prepared to follow him across the galaxy with a terrifying android in tow.

In the far future among the colonized worlds of the galaxy, there's a war going on between the majority of civilized worlds and a colonial theocracy. Trystin Desoll grows up fighting against religious fanatics and becomes a hero, a first-class pilot, then, amazingly, a spy. What do you do if you're a relatively humane soldier fighting millions of suicidal volunteers on the other side who know that they are utterly right, and you are utterly wrong, with no middle ground? Trystin Desoll has an idea.

Harry Benson suffers from violent seizures. So violent that he often blacks out when they take hold. Shortly after severely beating two men during an episode, the police escort Benson to a Los Angeles hospital for treatment. There, Dr. Roger McPherson, head of the prestigious Neuropsychiatric Research Unit, is convinced he can cure Benson with an experimental procedure that would place electrodes deep in his brain's pleasure centers.

Rebels build a secret base on Green World. Their plan is to attack Earth and retake all the planets the humans have conquered. Hegemony starships gather to strike the Rebels first, but where is their base? As the fleets search, Earth warships trespass into Skay space, igniting a fresh border conflict between rival Galactics. When James McGill stumbles onto the rebel camp, they’re forced to step up their plans. The world goes up in flames. Friends are permed and cities are destroyed as everything spins out of control.

Captain Jackson Wolfe never thought he'd see the end of the Phage War in his lifetime. The enemy was too powerful, too numerous, and utterly determined to exterminate humanity. But the appearance of a new ally in the fight has changed all of that. For the first time since the original incursion, Wolfe thinks that maybe there's a chance to stop their implacable enemy before they have the chance to wipe out any more human planets.

The good news is that you have just awakened into Eternal Life. You are going to live forever. Immortality is a reality. A medical miracle? Not exactly. The bad news is that you are a scrap of electronic code. The world you see around you, the you that is seeing it, has been digitized, scanned, and downloaded into a virtual reality program. You are a Copy that knows it is a copy. The good news is that there is a way out.

Long before Earth began conquering her neighboring stars, Legion Varus was deployed on Tau Ceti. Valuable and highly illegal treasures were stolen during the campaign, but McGill never gave it a second thought. The Tau haven’t forgotten him, however. For decades, they’ve hunted and plotted, and at last they’ve found the pirate who robbed them. Tau agents invade Earth seeking revenge and profit. Caught up in violence and intrigue, McGill is given the task of finding out where the loot has gone and who was responsible for the theft in the first place.

Alan Saul is now part human and part machine, and our solar system isn't big enough to hold him. He craves the stars but can't leave yet. His sister, Var, is trapped on Mars, on the wrong side of a rebellion, and Saul's human side won't let her die. He must leave Argus Station to stage a dangerous rescue - but mutiny is brewing onboard, as Saul's robots make his crew feel increasingly redundant.

Years have passed since Earth encountered its first known interstellar object: Oumuamua. Now an even larger one has been discovered, following the exact same trajectory as its predecessor. Scientists around the world theorize that this can no longer be passed off as mere coincidence - the new contact must be an artificial construct of some kind.

One thousand years after Earth was destroyed in an unprovoked attack, humanity has emerged victorious from a series of terrible wars to assure its place in the galaxy. But during celebrations on humanity’s new homeworld, the legendary Captain Pantillo of the battle carrier Phoenix is court-martialed then killed, and his deputy, Lieutenant Commander Erik Debogande, the heir to humanity’s most powerful industrial family, is framed for his murder.

Jack Four - one of 20 human clones - has been created to be sold. His purchasers are the alien prador, and they only want him for their experimentation program. But there is something different about Jack. No clone should possess the knowledge that’s been loaded into his mind. And no normal citizen of humanity’s Polity worlds would have this information. The prador’s king has been mutated by the Spatterjay virus into a creature even more monstrous than the prador themselves.

Murderbot wasn’t programmed to care. So, its decision to help the only human who ever showed it respect must be a system glitch, right? Having traveled the width of the galaxy to unearth details of its own murderous transgressions, as well as those of the GrayCris Corporation, Murderbot is heading home to help Dr. Mensah—its former owner (protector? friend?)—submit evidence that could prevent GrayCris from destroying more colonists in its never-ending quest for profit. But who’s going to believe a SecUnit gone rogue? And what will become of it when it’s caught?