Hard Science Fiction Space Opera

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" ...

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.

UFOs? Hannibal Carson and the mysterious Quentin Ducayne have discovered more alien talismans. They provide a clue to the aliens’ home system...and to a legendary UFO abduction back on Earth, a connection which the Velkaryan cult is deadly serious about pursuing. Ducayne intends to stop them. But the real surprise is what Carson and his pilot, Jackie Roberts, discover about the aliens' past and their combined futures.... The second book in the Carson & Roberts T-Space series, sequel to The Chara Talisman. Join the adventure. Explore T-Space!

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.

“There’s a lot of things they didn’t tell me when I signed on with this outfit.” At least that’s what Sam Washington discovered after he got hired as Spaceport Manager on Space Station Zion. For one thing, everyone hated his predecessor, so now they hate Sam. Still, once he took the job, Sam considered it his duty to get the place back in shape. But angry admirals and profit-crazed tycoons keep crawling into his job description. Too bad no one is on his side – even when the fate of the entire station is on the line! Can Sam fix this mess, or is it time to start updating his resume?

The fate of the Foundation rests on young Arcadia Darell, only 14 years old and burdened with a terrible secret. As its scientists gird for a final showdown with the Mule, the survivors of the First Foundation begin their desperate search. They too want the Second Foundation destroyed, before it destroys them.

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.

The man known as Cheradenine Zakalwe was one of Special Circumstances' foremost agents, changing the destiny of planets to suit the Culture through intrigue, dirty tricks, and military action. The woman known as Diziet Sma had plucked him from obscurity and pushed him toward his present eminence, but despite all their dealings she did not know him as well as she thought. The drone known as Skaffen-Amtiskaw knew both of these people. It had once saved the woman's life by massacring her attackers in a particularly bloody manner. It believed the man to be a lost cause.

Trantor had extended its rule over half the Galaxy, but the other half defied its authority, defending their corrupt fiefdoms with violence and repression. On the planet Florina, the natives labored as slaves for their arrogant masters on nearby Sark. But now both worlds were hurtling toward a cataclysmic doom, and only one man knew the truth - a slave unaware of the secret knowledge locked inside his own brain. Rik had once been a prominent scientist until a psychic probe erased all memories of his past. Now he was a humble laborer in the kyrt mills of Florina.

After the daring rescue of a political dissident, Omega Force is contracted to investigate a rash of violent attacks on civilian shipping lanes within a group of star systems known as the Concordian Cluster. It seems a simple enough job with a huge payday at the end, and it's exactly what the ragtag group of mercenaries needs in order to keep their ship flying and to stay one step ahead of those hunting them.

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?

A millennium into the future two advancements have altered the course of human history: the colonization of the galaxy and the creation of the positronic brain. Isaac Asimov's Robot novels chronicle the unlikely partnership between a New York City detective and a humanoid robot who must learn to work together. Like most people left behind on an over-populated Earth, New York City police detective Elijah Baley had little love for either the arrogant Spacers or their robotic companions.

Detective Elijah Baiey is called to the Spacer world Aurora to solve a bizarre case of roboticide. The prime suspect is a gifted roboticist who had the means, the motive, and the opportunity to commit the crime. There's only one catch: Baley and his positronic partner, R. Daneel Olivaw, must prove the man innocent. For in a case of political intrigue and love between woman and robot gone tragically wrong, there's more at stake than simple justice. This time Baley's career, his life, and Earth's right to pioneer the Galaxy lie in the delicate balance.

Throughout the Fourteen Worlds of humanity, no race is as feared and respected as the Dorsai. The ultimate warriors, they are known for their deadly rages, unbreakable honor, and fierce independence. No man rules the Dorsai, but their mastery of the art of war has made them the most valuable mercenaries in the known universe. Donal Graeme is Dorsai, taller and harder than any ordinary man. But he is different as well, with talents that maze even his fellow Dorsai. And once he ventures out into the stars, the future will never be the same....

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”.

The Federation's military command is desperate, and with their fleet still in tatters, they make a last-ditch effort to free the planet: They pull Captain Jackson Wolfe out of retirement and put him in command of a ship they hope can get past the defending armada and provide support to the beleaguered Marines and civilians fighting on the surface of the contested world. There is no reasoning with this enemy. If the Terran Federation wants their planet back, they will have to pay the price.

A major new novel from one of science fiction's most powerful voices, Aurora tells the incredible story of our first voyage beyond the solar system. Brilliantly imagined and beautifully told, it is the work of a writer at the height of his powers.

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.

In the 20th century Earth sent probes, transmissions, and welcoming messages to the stars. Unfortunately, someone noticed. The Galactics arrived with their battle fleet in 2052. Rather than being exterminated under a barrage of hell-burners, Earth joined their vast Empire. Swearing allegiance to our distant alien overlords wasn't the only requirement for survival. We also had to have something of value to trade, something that neighboring planets would pay their hard-earned credits to buy. As most of the local worlds were too civilized to have a proper army, the only valuable service Earth could provide came in the form of soldiers....

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.