The Terran explorers have made an uneasy truce with the Sholen, their first extraterrestrial contact: so long as they don’t disturb the Ilmataran habitat, they’re free to conduct their missions in peace.But when Henri Kerlerec, media personality and reckless adventurer, ends up sliced open by curious Ilmatarans, tensions between Terran and Sholen erupt, leading to a diplomatic disaster that threatens to escalate to war.Against the backdrop of deep-sea guerrilla conflict, a new age of human exploration begins as alien cultures collide. Both sides seek the aid of the newly enlightened Ilmatarans. But what this struggle means for the natives—and the future of human exploration—is anything but certain, in A Darkling Sea by James Cambias.

    Her father is the Prime Minister of her home planet. Her mother the consummate politician's wife. She's been raised only to be beautiful and marry well. But the heritage of the military Longknifes courses through Kris's blood-and, against her parents' objections, she enlists in the marines.

    Earth has been dominated for 1,000 years by an alien invader—and man is an endangered species. From the handful of surviving humans a courageous leader emerges—Jonnie Goodboy Tyler, who challenges the invincible might of the alien Psychlo empire in a battle of epic scale, danger and intrigue with the fate of the Earth and of the universe in the tenuous balance.

    For centuries, Mars has beckoned humans to conquer its hostile climate. Now, in 2026, a group of 100 colonists is about to fulfill that destiny.John Boone, Maya Toitavna, Frank Chalmers & Arkady Bogdanov lead a terraforming mission. For some, Mars will become a passion driving them to daring acts of courage & madness. For others it offers an opportunity to strip the planet of its riches. For the genetic alchemists, it presents a chance to create a biomedical miracle, a breakthrough that could change all we know about life & death. The colonists orbit giant satellite mirrors to reflect light to the surface. Black dust sprinkled on the polar caps will capture warmth. Massive tunnels, kilometers deep, will be drilled into the mantle to create stupendous vents of hot gases. Against this backdrop of epic upheaval, rivalries, loves & friendships will form & fall to pieces--for there are those who will fight to the death to prevent Mars from ever being changed.Brilliantly imagined, breathtaking in scope & ingenuity, Red Mars is an epic scientific saga, chronicling the next step in evolution, creating a world in its entirety. It shows a future, with both glory & tarnish, that awes with complexity & inspires with vision.

    It pushed Earth through the greatest technological evolution ever known, while warning that time travel is forbidden, and transgressors will be eliminated.Distant descendants of this ultra high-tech Earth live in parochial simplicity on the far-flung worlds of the New Republic. Their way of life is threatened by the arrival of an alien information plague known as the Festival. As forbidden technologies are literally dropped from the sky, suppressed political factions descend into revolutionary turmoil.A battle fleet is sent from Earth to destroy the Festival, but Spaceship engineer Martin Springfield and U.N. diplomat Rachel Mansour have been assigned rather different tasks. Their orders are to diffuse the crisis or to sabotage the New Republic's war-fleet, whatever the cost, before the Eschaton takes hostile action on a galactic scale.

    But now, one man believes Sim was a fraud, and Alex must follow the legend into the heart of the alien galaxy to confront a truth far stranger than any fiction.

    The ugly, the flawed, the misfit, the deformed, they are the unwanted, flung to the farthest corners of the galaxy to investigate hostile planets and strange, vicious creatures. Out there, there are a thousand different -- and terrible -- ways to die. Festina Ramos belongs to the well-trained, always-dwindling ranks of ECMs (Expendable Crew Members). Now she and her partner, Yarrun Derigha, have been ordered to escort the unstable Admiral Chee to Melaquin -- the feared "Planet of No Return"-- which has swallowed up countless Explorers before them without a trace.Obviously, this is meant to be the last mission for Ramos and Derigha. But it won't be, if Festina can help it.

    2105, September: Intelligence Analyst Caine Riordan uncovers a conspiracy on Earth’s Moon—a history-changing clandestine project—and ends up involuntarily cryocelled for his troubles. Twelve years later, Riordan awakens to a changed world. Humanity has achieved faster-than-light travel and is pioneering nearby star systems. And now, Riordan is compelled to become an inadvertent agent of conspiracy himself. Riordan’s mission: travel to a newly settled world and investigate whether a primitive local species was once sentient—enough so to have built a lost civilization.However, arriving on site in the Delta Pavonis system, Caine discovers that the job he’s been given is anything but secret or safe. With assassins and saboteurs dogging his every step, it's clear that someone doesn't want his mission to succeed. In the end, it takes the broad-based insights of an intelligence analyst and a matching instinct for intrigue to ferret out the truth: that humanity is neither alone in the cosmos nor safe. Earth is revealed to be the lynchpin planet in an impending struggle for interstellar dominance, a struggle into which it is being irresistibly dragged. Discovering new dangers at every turn, Riordan must now convince the powers-that-be that the only way for humanity to survive as a free species is to face the perils directly—and to fight fire with fire.

    NASA, NATO, and the UN sent explorers to the asteroid's surface...and discovered marvels and mysteries to drive researchers mad.For the Stone was from space--but perhaps not our space; it came from the future-but perhaps not our future; and within the hollowed asteroid was Thistledown. The remains of a vanished civilization. A human--English, Russian, and Chinese-speaking--civilization. Seven vast chambers containing forests, lakes, rivers, hanging cities...And museums describing the Death; the catastrophic war that was about to occur; the horror and the long winter that would follow. But while scientists and politicians bickered about how to use the information to stop the Death, the Stone yielded a secret that made even Earth's survival pale into insignificance.

    Gunrunner. Fugitive.Quick, sarcastic, and lethal, Hailimi Bristol doesn't suffer fools gladly. She has made a name for herself in the galaxy for everything except what she was born to do: rule the Indranan Empire. That is, until two Trackers drag her back to her home planet to take her rightful place as the only remaining heir.But trading her ship for a palace has more dangers than Hail could have anticipated. Caught in a web of plots and assassination attempts, Hail can't do the one thing she did twenty years ago: run away. She'll have to figure out who murdered her sisters if she wants to survive.A gun smuggler inherits the throne in this Star Wars-style science fiction adventure from debut author K. B. Wagers. Full of action-packed space opera exploits and courtly conspiracy - not to mention an all-out galactic war - Behind the Throne will please fans of James S. A Corey, Becky Chambers and Lois McMaster Bujold, or anyone who wonders what would happen if a rogue like Han Solo were handed the keys to an empire . . .

    For the first time in one volume: every word Bruce Sterling has ever written on the Shapers-Mechanists Universe.In the last decade, Sterling has emerged a pioneer of crucial, cutting-edge science fiction. Now Ace Books is proud to offer Sterling's stunning world of the Schismatrix--where Shaper revolutionaries struggle against aristocratic Mechanists for ultimate control of man's destiny. This volume includes the classic full-length novel, Schismatrix, plus thousands of words of mind-bending short fiction.

    She has plans. Big ones. And a ton of ambition. It's a combination that's going to get her killed one day - but not just yet. That is, until she just gets a job on a tiny trade ship with a nasty reputation for surprises. The Glorious Fool isn't misnamed: it likes to get into trouble, so much so that one year of security work under its captain is equal to five years everywhere else. With odds like that, Devi knows she's found the perfect way to get the jump on the next part of her Plan. But the Fool doesn't give up its secrets without a fight, and one year on this ship might be more than even Devi can handle.

    1 RefugeeCALIGULA OF THE STARSThough he was later accused of every crime and sexual perversion in the galaxy, Hope Hubris began as an innocent. Because he defended his older sister against the violent lusts of a wealthy scion, Hope and his peasant family were forced to flee Callisto, one of the moons of Jupiter. Pursued by the bloodthirsty scions across the airless desert, they barely escaped with their lives. The illegal space bubble was overcrowded with refugees, all hoping to reach Jupiter for asylum.But the space travelers had not reckoned on the terrible threat of high space-the pirates, barbaric men who rape, rob, and murder, with no thought but to satisfy their bestial appetites. It will take all Hope's ingenuity to survive, but the atrocities he witnesses will never die. There is only one way he can be rid of them . . . REVENGE

    A dire warning from futures past... A desperate search for salvation… Captain Mitchell “Ares” Williams is a Space Marine and the hero of the Battle for Liberty, whose Shot Heard ‘Round the Universe saved the planet from a nearly unstoppable war machine. He’s handsome, charismatic, and the perfect poster boy to help the military drive enlistment. Pulled from the war and thrown into the spotlight, he’s as efficient at charming the media as he was at shooting down enemy starfighters. After an assassination attempt leaves Mitchell critically wounded, he begins to suffer from strange hallucinations that carry a chilling and oddly familiar warning: They are coming. Find the Goliath or humankind will be destroyed. Convinced that the visions are a side-effect of his injuries, he tries to ignore them, only to learn that he may not be as crazy as he thinks. The enemy is real and closer than he imagined, and they’ll do whatever it takes to prevent him from rediscovering the centuries lost starship. Narrowly escaping capture, out of time and out of air, Mitchell lands at the mercy of the Riggers - a ragtag crew of former commandos who patrol the lawless outer reaches of the galaxy. Guided by a captain with a reputation for cold-blooded murder, they’re dangerous, immoral, and possibly insane. They may also be humanity’s last hope for survival in a war that has raged beyond eternity.

    Venus, being almost the same mass as Earth, is chosen over Mars as humanity’s first permanent steppingstone into the universe.Arik Ockley is part of the first generation to be born and raised off-Earth. After a puzzling accident, Arik wakes up to find that his wife is almost three months pregnant. Since the colony’s environmental systems cannot safely support any increases in population, Arik immediately resumes his work on AP, or artificial photosynthesis, in order to save the life of his unborn child. Arik’s new and frantic research uncovers startling truths about the planet, and about the distorted reality the founders of the colony have constructed for Arik’s entire generation. Everything Arik has ever known is called into question, and he must figure out the right path for himself, his wife, and his unborn daughter.