Hard Science Fiction Space Opera

The Hundred Worlds have withstood invasion by the relentless Hok for decades. The human worlds are strong, but the Hok have the resources of a thousand planets behind them, and their fleets attack in endless waves. The long war has transformed the Hundred Worlds into heavily fortified star systems. Their economies are geared for military output, and they raise specialized soldiers to save our species. Assault Captain Derek Straker is one such man among many.

Two worlds preparing their defenses.... A ship struggling to get back in the fight.... An enemy continuing its relentless attack.... A former enemy that could hold the answer.... With the fate of billions in his hands, Captain Scott is offered a way to save them all and end the bloodshed, but if it backfires, he could lose everything. Sometimes, there is no good choice.

In the 31st century, humanity stands on the precipice of extinction. The human colonies throughout the galaxy have been decimated by the relentless assault of the Korilian Empire, leaving Earth as the final refuge. Humankind's last hope rests on the tactical prowess of Admiral Jon McCarthy and the foresight of the Nexus House, an ancient conclave of clairvoyants who have long guided humanity's path.

NASA finally made it. The very first human has just set foot on the surface of our neighbor planet. This is the start of a long research expedition that sent four scientists into space. But the four astronauts of the NASA crew are not the only ones with this destination. The privately financed "Mars for Everyone" initiative has also targeted the Red Planet. Twenty men and women have been selected to live there and establish the first extraterrestrial settlement.

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.

Star humans were engineered to exist within the mantle of a star, mere tools of their Earth-evolved makers in a war against the Xeelee, owners of the universe. Stephen Baxter's third novel in his magnificent Xeelee Sequence is an exotic and endearing story of an abandoned people. Abandoned to their fate, their history lost along with contact with their makers, Star people survive in an environment that is possibly the strangest in science fiction.

Trapped on an alternate Earth, the combined crews of a crashed Russian spaceship, a British expeditionary force and a group of strays from the future must work together to survive, escape and discover what led them to this point. All are from parallel universes where small changes in history led to different realities, and the tensions between the groups are rising.

Each member of Omega Force carries his own baggage. Most of them are running from their pasts or simply trying to forget them. One member of the small mercenary crew is not who he claims to be, however. When his former life collides with his current one, the team is drawn into a conflict that could have profound consequences for the future of an entire species. Captain Jason Burke struggles to find answers as the tight cohesion of his crew seems to dissolve.

The UFS Phoenix returns to Homeworld, after more than three years of searching the galaxy for a way to save humanity from the looming AI threat. Many Fleet captains are unhappy with their own command, following the massive casualties of Nia's first strike. Some say that Captain Erik Debogande is the war leader humanity truly needs. Others warn of civil war. But on Homeworld lurks an even older threat, a secret kept by Fleet Command since Homeworld's first conquest by humans. A secret that could tear Fleet, and Erik's powerful family, apart.

A dirty deal was struck. Humanity was allowed to keep 300 rebellious worlds. In return, we declared war on a powerful enemy from beyond the frontier. A frantic build-up of forces has begun, but the task is hopeless. Seeking allies, Earth's legions are sent to Blood World. A planet on the fringe of known space, where the people only respect masters of combat. Earth's Legions must impress them, but other alien powers have been invited to join the contest. The prize consists of billions of loyal troops—Earth must win.

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.

Two irresistible forces are rushing together to crush the planet Grayson between them, and only one woman, uncertain of her capabilities, weary unto death, and marked for murder -stands between her adopted planet and its devastation.

To win an impossible war, Captain Kel Cheris must awaken an ancient weapon and a despised traitor general.

Captain Kel Cheris of the Hexarchate is disgraced for using unconventional methods in a battle against heretics. Kel Command gives her the opportunity to redeem herself by retaking the Fortress of Scattered Needles, a star fortress that has recently been captured by heretics. Cheris' career isn't the only thing at stake. If the fortress falls, the Hexarchate itself might be next.

The sky is not the limit. From an alley in New York to an interstellar wormhole, the path to the future looks different for everyone. These cosmic short stories from some of today’s most influential Black authors reveal a universe of possibilities.

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.

When the Earth is invaded by a rival empire, James McGill's legion must defend the Home World. The top brass has complex plans, but none of that matters much to McGill, who chooses his own unique path. Traveling to star systems no human has ever visited, he searches for a technological edge to beat the enemy before it's too late. Along the way he unleashes new terrors, triggering the biggest battles in human history.

First contact with a mysterious race of aliens reveals an unusual request; a family's pet dog comes to grips with the newly bestowed gift of human-like intelligence; a poet, in danger and alone on a distant world, makes unlikely allies; hundreds of years in the future, a famous hermit lives in the sea above the now-underwater Harvard University; former friends navigate unsteady peace between human refugees and the technologically superior race that saved them; in a future where human life can be infinitely extended through cybertronic rebirth, one woman declines immortality.

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.

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 Breakers find a new home among the stars: Utopia. An engineered planet that is vast beyond comprehension with plenty of room to grow. They set up trade routes and work as mercenaries for their supplies...but trouble lurks. Pirates strike their merchant lanes. Key personnel are captured and enslaved. Straker is called upon to do something, and thus a new conflict is set in motion.