Showing titles in Hard Science Fiction

Everyone knows that Chitzas are masters of spatial compression, routinely exploring distant places across the Milky Way in their wedge-shaped scout ships. But rumors abound of even greater accomplishments. Some say these intrepid explorers have reached beyond the galaxy. When a distress signal is received from deep space, making sense of the emergency becomes a personal matter for Daniel Rice. His wife is onboard that ship.

In the far reaches of the solar system, the outer planets - billions of miles from Earth, unknown for millennia - are being settled. Neptune, the ice giant, is swathed in clouds of hydrogen, helium, and methane and circled by rings of rock and dust. Three years ago, Ilona Magyr’s father, Miklos, disappeared while exploring the seas of Neptune. Everyone believes he is dead - crushed, frozen, or boiled alive in Neptune’s turbulent seas.

The first work in David Gerrold's Star Wolf trilogy, this tale pits the human members of the Star Wolf space vessel against the superhuman Morthan crew. Captain Jonathan Korie, hampered by the loss of most of the human fleet to the Morthans and a nearly disabled ship of his own, faces the Morthan threat driven by the need for survival and the desire for revenge.

Mark and his brother Tyler survived the slums with a gun in their hand and a blade in their sleeve. While it won't get them hired at a corporation, the Troopers are always looking for trained killers. The EMF offers education, medical care, food, and real pay. They have a chance at a new life, one where they don't have to worry about a rival gang killing them in the street. With a 35-year EMF contract, the Victor brothers might have a new life, but it comes at a hefty cost. Peace doesn't last, and the EMF doesn't care how many troopers die as long as they complete their mission.

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.

In Battle Station, Kyle Riggs faces new challenges, new alien fleets, and learns the secrets behind the war he has been fighting for years. In the fifth book of the Star Force Series, the Eden system is in humanity's grasp, but can they keep it? Star Force is weak after a long war, and many yearn to go home. Knowing the machines will return with a new armada eventually, Riggs seeks a more permanent solution. Along the way, worlds are won and lost, millions perish, and great truths are revealed.

The Polity is under attack from a 'melded' AI entity with control of the lethal Jain technology, yet the attack seems to have no coherence. When one of Erebus' wormships kills millions on the world of Klurhammon, a high-tech agricultural world of no real tactical significance, agent Ian Cormac is sent to investigate, though he is secretly struggling to control a new ability no human being should possess...and beginning to question the motives of his AI masters.

It is 2019. NASA astronaut Nigel Walmsley is sent on a mission to intercept a rogue asteroid on a collision course with Earth. Ordered to destroy it, he instead discovers that it is actually the shell of a derelict space probe - a wreck with just enough power to emit a single electronic signal….

When a human team is sent to scout a few hundred light-years in front of the death wave, it encounters a civilization far in advance of our own, a civilization of machine intelligences.These sentient, intelligent machines have existed for eons and have survived earlier "death waves" - gamma-ray bursts from the core of the galaxy. They are totally self-sufficient, completely certain that the death wave cannot harm them, and utterly uninterested in helping to save other civilizations.

A chance to gain much needed resources... A group of highly trained, merciless soldiers... A half-completed ship on a trajectory to nowhere... A lone operative on familiar yet dangerous ground... Captain Scott and the crew of the Aurora have a chance to get everything they need to liberate their home world, but they may have to fight someone else's war first.

Onboard an ancient starship, Killeen and the Bishop tribe escape the mech-ruled world of Snowglade. Seeking refuge on a faraway planet, they discover vast wonders: an organic life-form as large as a world, a planet-coring cosmic string, a community of humans ruled by a brutal tyrant, and ultimately an alien race more awesome than any they have encountered. As they battle for survival against these myriad dangers, Killeen and his crew will gain an unforeseen ally - one that may determine humanity’s true destiny.

Now, as Turek readies an all-out attack on the Nexus system - a key conquest that could seal the rest of the galaxy's doom - Ky must rally to the challenge, draw upon every last reserve of her strategic skills, and reach deep if she is to tear from the ashes of tragedy her most decisive victory.

In the second volume of the Native Tongue trilogy, the time has come for Láadan - the secret language created to resist an oppressive patriarchy - to empower womankind worldwide. To expand the language's reach, female linguists translate the Bible into Láadan and a group of Roman Catholic nuns are tasked to spread the language. But when outraged priests detect their sabotage, they send a double agent to infiltrate and destroy the movement from the inside.

A gripping collection of stories about machines called Berserkers that are programmed to destroy all organic life.

Lucas Sinclair, a washed-up hacker, finds an encrypted channel, buried in routine network traffic, that is transferring enormous volumes of data to seemingly random locations. In his enclave, surrounded by aging clusters of tech, Lucas uses a suite of bespoke tools to trace down the origin.

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.

Gideon Coxall was a good soldier but bad at everything else, until a roadside explosive device leaves him with one deaf ear and a British Army half-pension. So when he hears about the Valhalla Project, it’s like a dream come true. They’re recruiting former service personnel for excellent pay, no questions asked, to take part in unspecified combat operations. The last thing Gid expects is to find himself fighting alongside ancient Viking gods. The world is in the grip of one of the worst winters it has ever known, and Ragnarök is looming.

The Sovereign Hierarchy of Leviathan leaves nothing to chance. Their strategists are the greatest in the galaxy, utilizing the tiniest details. Before unleashing the perfect invasion, they send Senior Dax to Earth. The cyber spy will assassinate the Lord High Admiral, throwing Star Watch into panic as one after another of their highest officials die hideous, unstoppable deaths.

Experimental psychologist Jim Marchuk has developed a flawless technique for identifying the previously undetected psychopaths lurking everywhere in society. But while being cross-examined about his breakthrough in court, Jim is shocked to discover that he has lost his memories of six months of his life from 20 years previously - a dark time during which he himself committed heinous acts.

Susan Calvin is about to enter her second year as a psych resident at the Manhattan Hasbro teaching hospital when a violent crime strikes her very close to home. When she was young, Susan lost her mother in a terrible car wreck that also badly injured her father. She now believes the accident was an attempted murder by government powers who wanted her parents dead.