Hard Science Fiction Space Opera

Adda and Iridian are newly minted engineers, but aren't able to find any work in a solar system ruined by economic collapse after an interplanetary war. Desperate for employment, they hijack a colony ship and plan to join a famed pirate crew living in luxury at Barbary Station, an abandoned shipbreaking station in deep space. But when they arrive there, nothing is as expected. The pirates aren't living in luxury - they're hiding in a makeshift base welded onto the station's exterior hull.

The Phage War had been a devastating conflict for the Terran Confederacy. Even with the destruction of their terrifying, implacable foe, humanity is still reeling. Political alliances are crumbling, and their mighty fleet is in tatters. There is nothing to celebrate, even after such a complete victory. They soon learn that there are other stellar neighbors - and they've been watching the conflict with great interest. One species comes with an offer of friendship and alliance, but humanity is weary and distrustful.

A collection of 20 classic short stories by Isaac Asimov, author of the Foundation series, featuring the definitive and only in-print version of “Nightfall”.

A virus. A planet in danger. A race against time. When a deadly virus appears on a highly advanced world, questions will be asked. Where did it come from, is it a threat, and is there a cure? When a government official gets infected, the Alliance’s premier special forces team will be sent out to investigate. Val Standish and the Prime Team must deal with not only the virus, but local bureaucrats as they try and unravel the mystery before things spiral out of control.

James McGill is called upon for a sabotage mission, one that only a man of his unique talents can handle. Unfortunately, he performs too well, and our enemies from Rigel are enraged. They come for us, and war is declared. When this conflict between the great powers spreads, humanity finds itself swept up in the storm. Can McGill escape this disaster he’s created?

When Carson Flint traded his Commonwealth military badge for the quiet life, he thought he'd left his battles behind. Two years of running a saloon called the Bulwark, a volatile hub for refugees, smugglers, and the occasional war-weary soldier, was the peace he'd been looking for. He's never had it easier, or been so bored. But when a fugitive Commonwealth operative arrives with dangerous secrets and a war criminal on his tail, Carson's sanctuary quickly becomes a target.

Commander Scott McNabb and the crew of the science vessel, Hermes, are three years into a five-year-long survey of the asteroid belt when they discover a derelict spaceship in orbit around a binary asteroid. The ship contains an experimental quantum device, lost while en route to a research colony on Europa.

There is a milestone in the evolution of every sentient race, a Tech Singularity Event, when the species achieves transcendence through its technological advances. Now the creatures known as humans are near this momentous turning point. But an armed threat is approaching from deepest space, determined to prevent humankind from crossing over that boundary - by total annihilation if necessary.

Science Fiction Stories 4 by Various Authors is a spellbinding collection of science fiction short stories that transports readers to extraordinary realms, exploring dystopian futures, post-apocalyptic landscapes, and thrilling adventures in space. Discover the Extraordinary Experience the gripping "The Music Never Stopped" where Captain Thofas Stanton faces a stormy challenge on Yohnston Island. Uncover the enigma in "The Oldest Question" as scientists grapple with a profound mystery that could change the course of humanity. Navigate the futuristic society in "Refuse All Replacements" ...

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.

Golan Trevize, former councilman of the First Foundation, has chosen the future, and it is Gaia. A superorganism, Gaia is a holistic planet with a common consciousness so intensely united that every dewdrop, every pebble, every being, can speak for all - and feel for all. It is a realm in which privacy is not only undesirable, it is incomprehensible. But is it the right choice for the destiny of mankind? While Trevize feels it is, that is not enough. He must know.

The Galactics arrived with their Battle Fleet in 2052. Rather than being exterminated under a barrage of hell-burners, Earth joined a vast Empire that spanned the Milky Way. Today, Battle Fleet 921 is returning to Earth. It hasn't been seen by human eyes since our blissful day of Annexation. But what should be a joyful occasion, a chance to grovel at the feet of superior lifeforms, is rapidly becoming a nightmare.

The planet Lusitania is home to three sentient species: a large colony of humans; the Pequeninos; and the Hive Queen, who was brought there by Ender Wiggin. Once again, the enemy (the Starways Congress) has gathered a fleet and is threatening to destroy Lusitania. Ender's oldest friend, Jane, an evolved computer intelligence, is trying to save the three sentient species of Lusitania, but the Starways Congress is destroying the computer world she lives in.

They hunt us. They bomb our worlds for target practice. A star cluster in the constellation of Orion rotates once every 1,000 years. Those who rule there have an ancient tradition: When each cycle ends, they train their fleets by spilling the blood of lesser beings. The enemy fleets are coming again. In response, the Rebel Worlds gather their starships to face the terrifying threat, and this time humanity is asked to stand with them. The last time they considered Earth, Vikings in longboats were raiding English coastlines. Today, we're less primitive. Today, we're a target.

Thousands of years ago, Earth's terraforming program took to the stars. On the world they called Nod, scientists discovered alien life - but it was their mission to overwrite it with the memory of Earth. Then humanity's great empire fell, and the program's decisions were lost to time. Aeons later, humanity and its new spider allies detected fragmentary radio signals between the stars. They dispatched an exploration vessel, hoping to find cousins from old Earth. But those ancient terraformers woke something on Nod better left undisturbed. And it's been waiting for them.

Sometimes, the right man in the wrong uniform can make all the difference. Ethan Hawk faces an unexpected challenge when the real Elias Thorne confronts him upon the arrival of reinforcements at Janus. In a shocking twist, Thorne reveals that he has been working undercover to investigate a revolutionary faction threatening to destabilize the Imperium from within. Recognizing Ethan's unique position and the trust he has built with the crew of the Excalibur, Thorne enlists Ethan to continue the deception, allowing him to operate in the shadows. At the same time, Ethan maintains the illusion ...

In 3001: The Final Odyssey, Arthur C. Clarke brings the greatest and most successful science fiction series of all time to its magnificent, stunningly unforeseen conclusion. As we hurtle toward the new millennium in real time, Clarke brilliantly - daringly - leaps 1,000 years into the future to reveal a truth we are only now capable of comprehending. An epic masterpiece at once dazzlingly imaginative and grounded in scientific actuality, 3001 is a story that only Arthur C. Clarke could tell.

The Genevians are at war with Nietzschea...and they’re losing. In a last-ditch hope, the Genevian mech program was founded. Its goal to augment humans into cyborg fighting machines; mechanized warriors sent to hold the front lines against an enemy that was storming a hundred worlds. Yet few wished to undergo the brutal process, and so criminals were used, their minds enslaved by control chips and obedience enforced through discipline.

One starship will either save Earth or destroy her. A century ago our star erupted, destroying Earth's wormhole network and closing off trade with her colonized planets. After being out of contact with the younger worlds for so many years, humanity is shocked when a huge ship appears at the edge of the solar system. Our outdated navy investigates, both curious and fearful. What they learn from the massive vessel shocks the planet.

The colony on Haven-7 has gone rogue. The colonists have split into two factions: the Techborn and the Dusters. The Techborn have always ruled the planet. They control the remnants of the crashed starship that brought humanity to this new world. The Dusters… they eat Techborn dust. Now, the Techborn strength is waning. Their weapons are getting old, and radiation leaks from the aging reactors have created mutations. Some of these, like their brutish troops known as Tuskers, have proven useful—but others are abominations.