Showing titles in Hard Science Fiction

Contains books one and two of The Stasis Stories: A Pause in Space-Time (Book 1) and The Thunder of Engines (Book 2). Kaem Seba is a sickly and financially destitute young man with extraordinary math skills. With the help of Arya Vaii, a business student, he has developed a theory and an electronic device that allows him to stop time within limited volumes of space-time.

Armed with new tech that could revolutionize space combat, Captain Husher must now try to convince the Interstellar Union to implement it in time to defend against the godlike Progenitors.

When a new alien ally shows up in the galaxy, it’s a mixed blessing. Their military might could prove a boon to the war effort, but what secrets lurk in their past, and how might they shape galactic society for centuries to come?

As a powerful, cybernetically enhanced elite soldier her job is to do all the dirty work for the mega-corporation she belongs to. She and her elite cyborg squad are deployed on the most dangerous missions – to protect Olympias from threats outside and inside at any cost. One day, a malfunction in her implants separates her from the all-controlling grid. For the first time in her life, Nephilim is free.

Murderbot wasn’t programmed to care. So, its decision to help the only human who ever showed it respect must be a system glitch, right? Having traveled the width of the galaxy to unearth details of its own murderous transgressions, as well as those of the GrayCris Corporation, Murderbot is heading home to help Dr. Mensah—its former owner (protector? friend?)—submit evidence that could prevent GrayCris from destroying more colonists in its never-ending quest for profit. But who’s going to believe a SecUnit gone rogue? And what will become of it when it’s caught?

Using fast and furious hit-and-run tactics, Marcus GioAvanti and his Avanti's Angels mercenaries have earned a tough reputation throughout the Inner Sphere.

For five centuries, human life has been restricted to Earth, while posthuman descendants called alloys freely explore the galaxy. But when the Earthlike planet of Meru is discovered, two unlikely companions venture forth to test the habitability of this unoccupied new world and the future of human-alloy relations. For Jayanthi, the adopted human child of alloy parents, it’s an opportunity to rectify the ancient reputation of her species as avaricious and destructive, and to give humanity a new place in the universe.

Special Forces officer Mike Turcotte has paid his dues in battle and in blood. Now assigned to Area 51, he fights the toughest enemy of his career: the alien race who arrived on Earth millennia ago and have returned to claim the planet. Mike has dodged bullets and faced weapons of mass destruction to give humanity another day of reprieve. But when his lover, scientist Lisa Duncan, falls into evil hands, Mike must decide which prize means the most to him - the woman he loves or the legendary Grail.

Marooned in outer space after an attack on his ship, Nomad, Gulliver Foyle lives to obsessively pursue the crew of a rescue vessel that had intended to leave him to die.

On a warm March night in 2083, Judy Wallach-Stevens wakes to a warning of unknown pollutants in the Chesapeake Bay. She heads out to check what she expects to be a false alarm—and stumbles upon the first alien visitors to Earth. These aliens have crossed the galaxy to save humanity, convinced that the people of Earth must leave their ecologically-ravaged planet behind and join them among the stars. And if humanity doesn't agree, they may need to be saved by force. But the watershed networks that rose up to save the planet from corporate devastation aren't ready to give up on Earth.

Mary Robinette Kowal continues the grand sweep of alternate history begun in The Calculating Stars. The Fated Sky looks forward to 1961, when mankind is well established on the moon and looking forward to its next step: journeying to, and eventually colonizing, Mars. Of course the noted Lady Astronaut Elma York would like to go, but there’s a lot riding on whoever the International Aerospace Coalition decides to send on this historic - but potentially very dangerous - mission. Could Elma really leave behind her husband and the chance to start a family to spend several years traveling to Mars?

A mysterious object threatens to destroy our solar system. The survival of humankind is at risk, but nobody takes the warning of young astrophysicist Maribel Pedreira seriously. At the same time, an exiled crew of outcasts mines for rare minerals on a lone asteroid. When other scientists finally acknowledge Pedreira's alarming discovery, it becomes clear that these outcasts are the only ones who may be able to save our world, knowing that the Hole hurtles inexorably toward the sun.

When Murderbot discovers a dead body on Preservation Station, it knows it is going to have to assist station security to determine who the body is (was), how they were killed (that should be relatively straightforward, at least), and why (because apparently that matters to a lot of people - who knew?). Yes, the unthinkable is about to happen: Murderbot must voluntarily speak to humans! Again!

The planet Lusitania is home to three sentient species: the Pequeninos, a large colony of humans, and the Hive Queen, who was brought there by Ender Wiggin. But now, once again, the human race has grown fearful; the Starways Congress has gathered a fleet to destroy Lusitania. Ender's oldest...

Their heroine, Ell Donsaii, has a nerve mutation that’s made her a genius and provided her with astonishing athletic abilities. Her intelligence has let her revolutionize our world with a number of inventions, including instantaneous communications and trans-dimensional portals that deliver fuel, water, food, energy, and people all around the solar system Antigravity is about a new invention that Ell and her husband, Shan, come up with.

Maya Andreyeva is a camera, a reporter with virtual-reality-broadcasting equipment implanted in her brain. What sh esees, millions see; what she feels, millions share. And what Maya is seeing is the cover-up of a massacre. As she probes into the covert political power plays of a radically strange near-future Russia, she comes upon secrets that have been hidden from the world… and memories that AI-controlled thought police have forced her to hide from herself. Because in a world where no thought or desire is safe, the price of survival is betrayal—of your lover, your ideals, and yourself.

Deep in Antarctica, two researchers find an enigmatic black sphere suspended in the heart of a huge crater. Neither man is ever seen again. Decades later, reality fractures. A Manhattan skyscraper vanishes into thin air. An airplane crashes in the Sahara Desert—its existence defying logic. Across the globe, breathtaking technology and mysterious artifacts appear, all leading to one chilling truth: a parallel Earth is breaching the boundary between realities.

Long before Earth began conquering her neighboring stars, Legion Varus was deployed on Tau Ceti. Valuable and highly illegal treasures were stolen during the campaign, but McGill never gave it a second thought. The Tau haven’t forgotten him, however. For decades, they’ve hunted and plotted, and at last they’ve found the pirate who robbed them. Tau agents invade Earth seeking revenge and profit. Caught up in violence and intrigue, McGill is given the task of finding out where the loot has gone and who was responsible for the theft in the first place.

I’m usually alone in my head, and that’s where 90 plus percent of my problems are. When Murderbot's human associates (not friends, never friends) are captured and another not-friend from its past requires urgent assistance, Murderbot must choose between inertia and drastic action. Drastic action it is, then.

Half-Navajo geologist Jamie Waterman has been selected for the ground team of the first manned expedition to our mysterious neighbor planet. Joining an international team of astronauts and scientists, he endures the rigors of training, the dangers of traveling an incredible distance in space, the challenges of an alien landscape, and the personal and political conflicts that arise when the team must face the most shocking discovery of all.

The Ringworld is a landmark engineering achievement, a flat band 3-million-times the surface area of Earth, encircling a distant star. Home to trillions of inhabitants, not all of which are human, and host to amazing technological wonders, the Ringworld is unique in all of the universe.