Hard Science Fiction Space

Planet Moscow is vaporized by an unnatural star explosion, prompting those who escaped to counterattack the likely culprit - planet New Dresden of the neighboring system. But New Dresden wasn't to blame, and as worlds go to war, an unseen enemy labors to destroy the universe itself.

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.

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?

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.

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 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.

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.

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 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.

Arthur C. Clarke’s 2061: Odyssey Three is truly a masterful elaboration on one man’s epic vision of the universe. Only rarely does a novelist weave a tapestry so compelling that it captures the imagination of the entire world. But that is precisely what Arthur C. Clarke accomplished with...

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.

Fifty years ago, Mira, humanity's last hope to find new resources, exited the solar system bound for Proxima Centauri B. Seven years into her mission, all transmissions ceased without warning. Mira and her crew were presumed lost. Humanity, unified during her construction, splintered into insurgency and rebellion.

Heartfelt reunions with friends... Desperate plans to gain advantage... Opportunities that cannot be ignored... Discovery of family once thought lost... The time has come for Captain Scott to fight for that which was taken...the very freedom of the world he was sworn to protect.

Commodore Straker's rebellion grows in strength - but his enemies are growing even faster. Faced with a dozen rebel planets in their territory, the Mutuality finally takes notice of the upstart known as the Liberator, and they gather a vast fleet to crush him. Preparing for a titanic interstellar battle, it's clear Straker has no chance. His tiny enclave of free planets can't survive the weight of 1000 worlds. His own officers realize this, and some of them begin to turn against him....

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.

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...

Captain Nathan Scott must decide whether to stand and fight to the end, or live to fight another day - even if it means the end of his world.

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.