Hard Science Fiction Space

A new ally providing aid... An old ally joining the fight... Their resources growing with each passing day... Their homeworld finally on the road to recovery... Things finally seem to be coming together for Captain Scott and the Alliance as he takes his forces on the offensive. However, the Jung may in turn give him more trouble than he bargained for.

Nominated for the Philip K. Dick Award An investigator must solve a brutal murder on a claustrophobic space station in this tense science fiction thriller from the author of Salvation Day. Hester Marley used to have a plan for her life. But when a catastrophic attack left her injured, indebted...

From the king of modern space opera comes a new adventure in the Prefect Dreyfus series—Machine Vendetta is a thrilling tale of deadly conspiracies and old enemies that refuse to die. Panoply is a small, efficient police force, dedicated to maintaining the rule of democracy among the ten...

Half a million years in the future, on a dead, war-ravaged world at the centre of the galaxy, there is a mile-high statue of Michael Poole. Poole, born on Earth in the fourth millennium, was one of mankind's most influential heroes. He was not a warrior, not an emperor. He was an engineer, a builder of wormhole transit systems. But Poole's work would ultimately lead to a vast and destructive conflict, a million-year war between humanity and the enigmatic, powerful aliens known as the Xeelee. The Xeelee won.

The bestselling author of Daemon returns with a near-future technological thriller, in which a charismatic billionaire recruits a team of adventurers to launch the first deep space mining operation--a mission that could alter the trajectory of human civilization. When itinerant cave diver James...

The first of the acclaimed Vatta's War books, the exciting military science fiction series that features a swashbuckling spaceship-captain heroine who mixes commerce with combat.

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.

Gunnery Sergeant Torin Kerr had been the very model of a Confederation Marine. No one who'd ever served with her could imagine any circumstance that would see her walking away from the Corps. But that was before Torin learned the truth about the war the Confederation was fighting...before she'd been declared dead and had spent time in a prison that shouldn't exist...before she'd learned about the "plastic" beings who were really behind the war between the Confederation and the Others. That was when Torin left the military for good.

Growing up, Travis Uriah Long yearned for order and discipline in his life...he two things his neglectful mother couldn’t or wouldn’t provide. So when Travis enlisted in the Royal Manticoran Navy, he thought he’d finally found the structure he’d always wanted so desperately. But life in the RMN isn’t exactly what he expected. Boot camp is rough and frustrating; his first ship assignment lax and disorderly; and with the Star Kingdom of Manticore still recovering from a devastating plague, the Navy is possibly on the edge of budgetary extinction.

The company that Arya Vaii and Gunnar Schmidt founded to commercially develop Arya's time-stopping discovery is making money hand over fist. Currently, their profits come from their use of the phenomenal physical properties of a time-stopped segment of space-time to build rockets. But now, they’re building their space tower. Taking off at a 30-degree angle from Eastern Virginia, it’s 200 kilometers long and 100 kilometers high.

Mary Robinette Kowal continues the grand sweep of alternate history begun in The Calculating Stars. The Fated Sky looks forward to 1961, when mankind is well established on the moon and looking forward to its next step: journeying to, and eventually colonizing, Mars. Of course the noted Lady Astronaut Elma York would like to go, but there’s a lot riding on whoever the International Aerospace Coalition decides to send on this historic - but potentially very dangerous - mission. Could Elma really leave behind her husband and the chance to start a family to spend several years traveling to Mars?

Tanis and Sera have taken the I2 to Khardine, the new capital of the Transcend, and must now travel to the Inner Stars and meet with Scipian Empress, Diana - who they hope will be an ally to the Transcend. With the Trisilieds Kingdom, the Hegemony of Worlds, and the Nietzschean Empire all aligned with the Orion Guard - not to mention a civil war brewing in the Transcend - they will need all the help they can get to secure the Inner Stars. But Empress Diana has her own plans for the Inner Stars, and while they may dovetail with the Transcend's for now, they may not always do so....

Astronaut David Dixon's first mission to space goes horribly awry when a gunfight breaks out on a Russian space station. He finds himself making an emergency landing from orbit and becomes the most wanted man on Earth. Desperate to unravel the plot he's found himself in, he takes his pursuers on a wild chase from space to the backstreets of Rio and beyond. Dixon's survival relies on his skills as a pilot and willingness to do whatever it takes.

A novella set in the hard-scrabble world of James S. A. Corey's NYT-bestselling 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. . . Now a Prime Original series. HUGO AWARD WINNER FOR BEST SERIES...

The UFS Phoenix is finally homeward bound. On the way is Tuki Station, in barabo space, hit just now by a force of sard ships, working in concert with a larger invasion from alo space. An alo and deepynine fleet has attacked, and humanity's forces are in turmoil despite all of Phoenix's efforts over the past three years to prepare them. Nia leads the assault, Styx's old AI queen nemesis from the Drysine/Deepynine War, the greatest armed conflict in Spiral history, 25,000 years ago. But what does Nia seek?

When Pennsylvania state trooper Calvin Morrison is swept into a parallel universe by a freak accident, he finds himself in a world where gunpowder is the key to power—and its production is tightly controlled by a ruthless theocracy known as Styphon’s House. While stranded in the Princedom of Hostigos, a small territory on the brink of obliteration, Calvin must use his understanding of modern chemistry and warfare to help the people of this new world fight for their freedom.

A sequel to Sir Arthur C. Clarke’s Nebula Award–winning novella “A Meeting with Medusa,” this novel continues the thrilling adventure of astronaut Howard Falcon, humanity’s first explorer of Jupiter from two modern science fiction masters. Howard Falcon almost lost his life in an...

Astronaut Lee Rifkin's life is about to change. NASA has done the math. The space object named Cassandra 22007 is not behaving as expected. He will lead a team on a cutting-edge ship to get a closer look. But another group wants to get there first. Who is this shadow organization that seems to be one step ahead of them? Agent Jenna Haynes works to put together the pieces that will pull the veil off those who seem to have known about Cassandra's arrival since long before NASA spotted it. What is their goal?

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.

Max Tyco is just beginning to understand what it means to be a Rowki Guardian. There are plenty of bruises and bumps along the way. But if he's going to face the threats at his door he'll have to learn some new skills. Sardonium is the metal of the Rowki Guardians. Imbued into their weapon of choice, it grants its wielder a power that can tip the odds in their favor. But all great power comes with a cost. The first portal has been discovered. The other two are being searched for. Treasure seekers, merchants and bounty hunters swarm to Ivandor.