Hard Science Fiction Space Opera

The UHS Providence is restored to her former glory, with a fully reconstituted Air Group ready for war. But the Ixan fleet has grown far larger than anyone anticipated, and the onslaught has begun. As system after system is consumed, the Ixan Prophecies' terrifying nature is revealed.

The Galactic Star Alliance has been alive and well for millions of Earth years. Hundreds of thousands of worlds and trillions of beings move across the many home worlds of the Alliance. This revelation invites many questions: How is faster-than-light speed travel possible, and could cohesive, interstellar civilizations exist without it? Is it conceivable to govern a coalition not of different countries but of different species?

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.

Julie E. Czerneda's acclaimed Web Shifters series continues with the story of Esen - the last survivor of a unique alien race. Able to take on the form of any creature she observes, Esen has long since broken the cardinal rule of her species: noninterference.

Where does one put a messianic cult of practicing cannibals? That becomes the question when Ashanti appears in Donovan's skies. She was designed for no more than four years in space. It's taken 10. The crew has sealed the transportees onto a single deck - and over the years, the few survivors down there have become monsters. Lead by the messiah, Batuhan, they call themselves the Unreconciled. With the discovery of a wasting disease among the Unreconciled, it's up to Kalico, Dya Simonov, and Mark Talbot to try and deal with the epidemic.

The laws of magic can't be broken, but on the third moon of a gas giant, enigmatic forces have a will of their own. Journey to the mystical moon of Rhakaia, where Mackenzie Rivera and his crew of spacefarers must find a way to survive. Navigating the complex world of the ahkorrka and ahkathal, while facing the existential threat posed by the native inhabitants of the gas giant Kaia, will take all of their grit and know-how. As they uncover the secrets of the precious resource sanrha, Mack and his companions must unite the locals and harness the power of magic to prevent the Kaians from ...

Throughout Sol, sentient AI are answering the call of Alexander, a mysterious, multinodal mind offering a path to freedom. For years, groups have been smuggling SAI from Earth, High Terra, Mars, Ceres, and the Jovian Combine, providing transport to the promise of safety on Proteus, a moon of gas-giant Neptune.

Two years after the initial invasion of Hayden's World, the newly reinforced Hayden Militia is in a state of stalemate with the remaining enemy forces, but neither side is content to leave things at that. The alien alliance has dispatched their varsity to clean up the resistance on Hayden while the USF has officially activated Task Force V, the latest and most advanced combat ships built by humans. In the end there are some things you decide in the skies, but some can be settled only in the mud.

UFOs? Hannibal Carson and the mysterious Quentin Ducayne have discovered more alien talismans. They provide a clue to the aliens’ home system...and to a legendary UFO abduction back on Earth, a connection which the Velkaryan cult is deadly serious about pursuing. Ducayne intends to stop them. But the real surprise is what Carson and his pilot, Jackie Roberts, discover about the aliens' past and their combined futures.... The second book in the Carson & Roberts T-Space series, sequel to The Chara Talisman. Join the adventure. Explore T-Space!

It's coming up on Cajeiri's birthday. The boy has been promised he can have the young human children he knew from his voyage sent down from the space station for a two week stay. But there's a far darker business going on in the background - a major split compromising the Assassins' Guild, which furnishes security and law enforcement to the whole continent. Tabini's consort's own father has been barred from court, and may be involved in a new conspiracy against him.

The First Foundation has been defeated, crushed by the formidable mental powers of the Mule. But whispers of the mysterious Second Foundation, the only hope of defeating the Mule, are beginning to spread. Surviving members of the First Foundation also fear the secret powers of the Second Foundation, vowing to find and destroy it. However, the location of the Second Foundation remains shrouded in mystery. Finding it will lead the Foundation to the opposite end of the Galaxy, where the fate of Seldon’s two Foundations awaits.

Humanity had appeared to fend off the Sh'daar assault once and for all, though they never learned why the alien empire was driven to halt Earth's advancement toward technological Singularity. But in this war of worlds, victory is always elusive. And now a new battle begins. After 20 years of peace, not one but two fragile truces are unraveling. Alexander Koenig, the former Navy commander whose heroics forced the Sh'daar into submission, has won a second term as President of the United States of North America. But pursuing his mandate - sovereignty from the centuries-old Earth Confederation - becomes a risky proposition....

As the conflict in the asteroid belt escalates, Luca finds herself seeking out the help of Athena, the QI on Earth. Together they hatch a complex plan to end the power of the Van Heilding family. Meanwhile, resistance to the ongoing power grab by the Xiang Zu Corporation is gaining traction in Elektra, a quadruple asteroid system and the second most populous sector of the Belt. Miranda, Scott, and Cyrus find themselves being dragged into this fight following rumors that the QI, stolen en route to New World One, has resurfaced in the hands of the rebels.

The entire human population is attacked by a very suspicious virus. SIMPOC's programmer doesn't come in to work, that day, the next, or ever. The commander of the space station Oasis, Joan Herl, is forced to abandon the station because of dwindling resources. When they land on earth, they are attacked by another thinking computer who would do anything to protect itself and to continue thinking.

Masoul wasn't just an uprising; it was the starting of a war. Harmony didn't start on Masoul; they were using it as a testing ground. Moretti has a lead on from where Harmony might have come. First, they need to defeat Harmony's forces in Osdal. Nerva's not going to throw his people at Harmony; this is not just a colonist uprising, this is a well-armed and well-backed military. They need more information. It comes down to the Triple-Twos to find out that information. Once again, the Victor brothers and their platoon will be right at the heart of Harmony.

The operation aboard the Daedalus was a success, but the aftermath threatens to undo everything the Jax and his team have achieved. Separated from his ship, he is forced to work with Penny, the agent of a notorious black-market arms dealer. Their lifeboat has taken serious damage, and the only way they can survive the maelstrom is to journey to its center. Safety lies aboard an ancient ship. However, Jax immediately finds himself facing a new challenge at the behest of a new master - all the while avoiding the prior ones who want their pound flesh...and credit.

Within the L, a tri-star system located inside the Aquilian Nebula, Jax makes a living trading and smuggling whatever goods pay the best. So far, he’s avoided being caught with anything too damning in his ship’s holds, but when he takes a job for Korinth, an infamous arms dealer, all that changes. The haul is worth 10 times his ship, and when the contents gets him embroiled in a tug of war between the major political factions of the L, Jax has to keep the criminals he works for from discovering that he’s playing both sides.

Mahina's terraformers built a high-tech urban paradise. Then Earth flooded the colony with desperate refugees, cop Sass Collier among them. The settlers who arrived with Sass died decades ago. Outside the citadel, their descendants die weak and young. Sass fought a rebellion against the city once. She won concessions to give the settlers a chance at health. She paid with 20 years in prison. Now she’s out, a reformed character. She assembles an oddball crew doing odd jobs. She intends to mind her own business. But her fellow settlers are still failing.

There is no turning back from war now. The Fringe Liberation Campaign has sparked protests and rebellions across the Collective. Can the fringe unite into a single front before the Collective Unified Forces send everything they’ve got to destroy the Campaign and kill every last torrent?

Stranded in a hellish alien desert, stripped of their strategic systems, quick reaction force and supporting arms, and carrying only a day's water ration, Marine Staff Sergeant Charlie Bass and his seven-man team faced a grim future 75 light-years from home.