Hard Science Fiction Space

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 ...

The ability for easy travel throughout the solar system has created nations and organizations on Earth who want to control Mars and the rich resources of the solar system. Mars has started its own military and is building a fleet to survive the brutal attacks from Earth. Mars has set up embassies on Earth and is facing spies and saboteurs intent on disrupting a content populace that is growing rapidly. Lux has developed new weapons, and Prissy joins the colony military.

A novella set in the hard-scrabble world of James S. A. Corey's NYT best-selling Expanse series, The Vital Abyss is the secret history of the cataclysmic events that occurred on Eros station, and the revelation of what came after...Somewhere in the vast expanse of space, a group of prisoners lives in permanent captivity. The only company they have is each other and the Belters who guard them. The only stories they know are the triumphs and crimes that brought them there. The only future they see is an empty life in an enormous room.

When a colonist dies in tragic circumstances, just a few sols before a major terraforming experiment, Dr. Jann Malbec begins to suspect that all is not what it seems. Her fears begin to grow when every attempt she makes to investigate the death is thwarted by the ruling council on Mars. In desperation, she resorts to secretly recruiting a recently arrived colonist, Mia Sorelli, an ex-cop with a troubled past, to quietly look into the incident. But Mia has some very good reasons why she left her old life on Earth behind.

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.

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.

Nick Morrison always wanted to be an astronaut. When a start-up company recruits him to build a lunar launch system at the moon’s south pole, Nick gladly leaves behind his troubled life on Earth—but Nick doesn’t know that the company is in financial and legal trouble. Deprived of support from Earth, the team on the moon must figure out how to survive on their own. Worse yet, there’s another base at the lunar south pole, run by a ruthless contractor who has big plans for the moon...and for Earth.

In the vast, domed cities of Earth, artificial intelligence is strictly controlled; in the distant Outer Worlds, colonists and robots live side by side. A Spacer ambassador is found dead and detective Elijah Baley is assigned to find the killer. But with relations between the two cultures in the balance, the Spacers insist that he work with a partner of their choosing – a robot partner, R. Daneel Olivaw. Baley has never seen a robot like Daneel before – and soon, though the Three Laws of Robotics should render the crime impossible, Baley’s partner becomes his prime suspect.

It's been a year of upheaval since Bren Cameron's return from space - a year since he and the aiji-dowager, one of his most powerful atevi allies, returned home from their two-year interstellar mission to find the government overthrown and their world in chaos. Now, at last, things on the atevi world seem to be on the right track, and Bren hopes that life may soon become much more tranquil. But something is coming, quietly, stealthily - just the first ominous twinkle of a new star in the heavens....

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.

Arrogant warlords just killed one of his crew and destroyed his ship. He unleashes a torrent of human fed anger the likes of which they have never seen before. And, what is this Prophecy thing about humans, anyway. . . and why does he have to be involved? An addictive, heart-stopping, military science fiction and space opera thriller you just can’t put down, so, warn your family and friends you’ll be in another universe for a while… Grab your copy right now, put on your battle armor and web into your ship-couch as you join Captain Derek Hamilton and his warrior crew on the wild ride ...

Commander Joe Pikeman has his share of demons. But after a long deployment, he just wants to enjoy some home leave with his daughter. The galaxy has other plans. His last assignment takes him to Earth, humanity’s deserted homeworld. There, he finds Earth’s last settlement littered with the bodies of the people who lived there. As he hunts down those responsible, he runs head-first into some galaxy-shaking questions.

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.

The cryosleep chambers are beginning to fail. Surveillance of Hocklyn space has revealed that the Hocklyns are thirty years ahead of their projected schedule and will soon reach human occupied space. War could break out any day if something isn't done. The human leaders suggest a daring plan to buy them the additional time they need to strengthen the Fleet, as well as the defenses protecting their worlds.

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.

The Ixa smashed the galaxy to bits before they were defeated. Captain Husher has sounded the alarm in the decades since: the Ixa’s creators will return to finish the job. But unlike Husher, the galactic government didn't battle the Ixa, and the politicians have convinced themselves that maintaining peace means limiting the ability to wage war.

The action-packed sequel to Raw Space by New York Times bestselling author Todd J. McCaffrey. The King's Ghosts is more than just a space opera; it’s a deep dive into a universe where loyalty, betrayal, and the very nature of humanity are constantly tested. Todd J. McCaffrey, son of the legendary Anne McCaffrey, delivers a story rich in action, character, and complex world-building that is sure to captivate fans of science fiction and military thrillers. Don't miss this exciting next chapter in the Canaris Rift universe. Grab your copy of The King's Ghosts today and discover a world where...

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….

New Canaan is under attack. Driven by Uriel, the Hegemony and its last remaining allies have sent their fleets against the ISF's homeworld. It's a final solution, little more than an attempt to bring about mutually assured destruction. Of course, the humans of Sol don't know that their leader is under the control of core AIs who do not care which side wins, so long as humanity is weakened. Tanis and Tangel have returned from the core, ready to defend their homes, but they lost a month in a temporal jump, and the core AIs are ready for them, led by one of Epsilon's lieutenants.

Is our sun behaving differently from other stars? When an amateur astronomer discovers something strange on telescopic solar pictures, an explanation must be found. Is it merely artifact? Or has he found something totally unexpected? An expert international crew is hastily assembled, a spaceship is speedily repurposed, and the foursome is sent on the ride of their lives. What challenges will they face on this spur-of-the-moment mission to our central star?