Hard Science Fiction Space

The Republic, the Opters, and a strange Crystalline race of unknown origin all meet in a series of titanic battles. Commodore Straker summons thousands of ships, but he soon learns he’s technologically outclassed by the enemy. With traditional victory impossible, the race is on for each side to destroy the key worlds of the other. Billions die, entire planets are destroyed. Even while the war rages, dark suspicions grow. There are traitors in the midst of the chaos. Straker realizes the worst enemy is the one you believed to be your ally....

What waits at the galaxy’s core? Joe has begun to realize the full extent of his powers as a Shiva Knight. But the foe he faces is ancient and cunning. It’s a race to the center of the galaxy between Joe and the ruthless bot-man, Fairfax. The enemy’s armies are legion. But for Joe, it’s not about survival anymore. It’s about saving everything he holds dear. Even if it means paying with his life.

Brady Garrett needs to go home. He's a conscripted recruit on Defender Three, one of a network of stations designed to protect the Earth from alien attack. He's also angry, homesick, and afraid. If he doesn't get home he'll lose his family, but there's no way back except in a body bag. Cameron Rushton needs a heartbeat. Four years ago Cam was taken by the Faceless - the alien race that almost destroyed Earth.

As Chinese and US spacecraft compete to be the first to land on Mars, a former astronaut, his cousin, and four teens from Florida decide to take matters into their own hands. If they can quickly build their own space-worthy ship using scrap metal, appliances, and power tools, they have a chance to come from behind - thanks to an inventive new power source that can propel them to the Red Planet within three days. No guts, no glory.

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.

Following a successful coup, the leaders of the rebel Midway Star System struggle to forge a government free enough to please its citizens yet strong enough to secure power. But in a world where former rulers have become new foes, an alien threat to humanity may turn old adversaries into uncertain allies. General Artur Drakon knows three words describe someone who confides in a Syndicate CEO: Stupid. Betrayed. Dead. Despite his misgivings, he partnered with another former CEO to overthrow Syndic forces.

Three stars, three worlds, three civilizations...one massive war. In a triple star system, not all planets are equal. When the Demon Star swings closest in her orbit, the Insectoids always invade. They raid the inner worlds with grim regularity, riding hordes of stealth ships in ever-growing waves. Their mission is to destroy all opposition - alien, human or otherwise. Cody Riggs, lost among an endless chain of interstellar rings, flies his task force of starships into the middle of an eternal struggle for survival.

Chiku Akinya, great granddaughter of the legendary space explorer Eunice and heir to the family empire, is just one among millions on a long one way journey towards a planet they hope to call their new home. For Chiku, the journey is a personal one, undertaken to ensure that the Akinya family achieves its destiny among the stars. The passengers travel in huge self-contained artificial worlds - holoships - putting their faith in a physics they barely understand.

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?

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...

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.

Having successfully repelled the Resistance incursion into the Sol system, Terran Fleet Command must now deal with the far-flung worlds of the Sajeth Collective, which sponsored the attack. Task forces are dispatched to Damara and Lesheera to begin the first human blockades of entire planets. With the only ships fast enough to quickly bring the fight to the enemy's doorstep, TFC must do so alone, leaving only minimal forces behind to safeguard the Earth.

The newly liberated humans of the Fleet of Worlds and Sigmund Ausfaller, who had been transported by the Puppeteers from Earth to the Fleet, must contend not only with the sly Puppeteers but also the threat of the Pak, a very smart and utterly ruthless species who are fleeing the exploding galactic core in an armada of ships at near light speed. The Pak are headed towards the Fleet of Worlds, having destroyed entire planets in their wake.

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....

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.

It was that transitional time of the world when man first brought the clang of iron and the reek of smoke to the lands which before had echoed only with fairy voices. In that dawn of man and death of magic, there yet remained one last untouched place - the small forest of Ealdwood - which kept the magic intact and protected the old ways. And there was one who dwelt there, Arafel the Sidhe, who had more pride and love of the world as it used to be than any of her kind.

After orchestrating a galaxy-wide failure of the communications network owned and maintained by the powerful ISC corporation, Gammis Turek and his marauders strike swiftly and without mercy. First they shatter Vatta Transport. Then they overrun entire star systems, growing stronger and bolder. No one is safe from the pirate fleet.

Donovan is a world of remarkable wealth that comes at a high price. When Supervisor Kalico Aguila's ship arrives, she discovers a failing colony, its government overthrown, the few remaining colonists gone wild. Donovan could make her career - or kill her. Planetside, Talina Perez is one of three rulers of the Port Authority colony - the only law in the one remaining town. With the Corporate ship demanding answers about the things she's done, Perez could lose everything, including her life. For Dan Wirth, Donovan is a last chance. A psychopath with a death sentence looming over his head, he will make a desperate play for power. No matter who he has to corrupt, murder, or destroy. Captain Max Taggart is the Corporation's enforcer. But is it too late to seize control of Donovan?

Where life as we know it is impossible, the real adventure begins. Venus is a hostile planet, covered by active volcanoes, but NASA launches an expedition to search for life there anyway. Their specially developed airship cruises in the clouds of Venus to serve as a research platform for its four astronauts. When they discover dangerous activities on the glowing-hot surface, there can only be one explanation: A highly sophisticated life form must be at work.

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...