Hard Science Fiction Space

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 struggle for survival sharpens as resources dwindle, technology fails, and the grim reality of life on Donovan unfolds. Supervisor Kalico Aguila has bet everything on a fragile settlement far south of Port Authority. There, she has carved a farm and mine out of wilderness. But Donovan is closing in. When conditions couldn't get worse, a murderous peril descends out of Donovan's sky - one that will leave Kalico bleeding and shattered.

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...

Three years after Ashanti spaced for Solar System, Turalon reappears in the Donovanian sky. The Corporation has returned. Donovan’s wealth is a lure for the powerful families who control the Board. Unburdened by morals, they are bringing their battle for supremacy to Port Authority and a showdown that could tear The Corporation apart.

It's 2040. After decades of research, scientists of the European Union believe that they have at last conquered humankind's most pernicious foe: old age. For the first time, technology holds out the promise of not merely slowing the aging process but actually reversing it. The first subject for treatment is 78-year-old philanthropist Jeff Baker. After 18 months in a rejuvenation tank, Jeff emerges looking like a 20-year-old. And the change is more than skin deep. From his hair cells down to his DNA, Jeff is 20 - with a breadth of life experience.

The enigmatic Greys have returned, bearing a host of stunning revelations regarding their role in Earth’s history, the Pelarans, and humanity’s place in the cosmos. Griffin, openly declaring his allegiance to both Terran Fleet Command and the world he has helped to build, agrees to accompany the Grey ship Ethereal on a high-risk recruiting operation spanning thousands of light years. Their mission: enlist the help of enough Guardian spacecraft to put an end to the out-of-control, tyrannical AI before its forces can reach Earth.

Five thousand years in the future, humankind has spread across thousands of worlds, and more than a dozen different governments exist in an uneasy truce. But human beings have found no signs of other life anywhere approaching human intelligence. This changes when scientists discover a sunless planet they name Danann, traveling the void just beyond the edge of the galaxy at such a high speed that it cannot be natural. Its continents and oceans have been sculpted and shaped, with but a single megaplex upon it - close to perfectly preserved.

The Dusahn Empire has been contained for the moment. But there is much work to be done in order to keep them from reasserting their dominance over the Pentaurus sector. As much as Captain Scott wants to see the Empire destroyed, he may have no choice but to find a way to coexist with them.

Although the exciting military career she hoped for never got off the ground, Ky Vatta ended up seeing plenty of combat when she took the helm of one of the commercial transport vessels in her family's fleet...and steered it into a full-blown war. Now the lessons she learned in that trial by fire are about to pay off---because this time, the war has come to her. Someone has launched a full-throttle offensive against Vatta Transport Ltd., Ky's father's interstellar shipping empire.

On a privately financed orbital habitat above the planet Uranus, political idealism conflicts with pragmatic - and illegal - methods of financing. Add a scientist who has funding to launch a probe deep into Uranus‘ ocean depths to search for signs of life, and you have a three-way struggle for control. Humans can’t live on the gas giants, making instead a life in orbit. Kyle Umber, a religious idealist, has built Haven, a sanctuary above the distant planet Uranus.

From New York Times bestselling author Cixin Liu comes a short story collection of captivating visions of the future and incredible re-imaginings of the past. In To Hold Up the Sky, Cixin Liu takes us across time and space, from a rural mountain community where elementary students must use...

They’re here. They’ve arrived. And they’re all eyes. The Voltarian scouting party - illegal aliens extraordinaire - on a top-secret expedition led by one Jettero Heller, Royal Officer of the Fleet. His mission: rescue the planet from pollution - and make it safe for the upcoming invasion. His problem: The planet may not want to be saved - and the invasion may just be a trick.

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.

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 sky is not the limit. From an alley in New York to an interstellar wormhole, the path to the future looks different for everyone. These cosmic short stories from some of today’s most influential Black authors reveal a universe of possibilities.

High above the windswept plains of Kazakhstan, three astronauts on board a Russian Soyuz capsule begin their reentry. A strange shimmer in the atmosphere, a blinding flash of light, and the capsule vanishes in a blink as though it never existed. Daniel Rice is a government science investigator. Marie Kendrick is a NASA operations analyst. Together, they must track down the cause of the most bizarre event in the history of human spaceflight. They draw on scientific strengths as they plunge into the strange world of quantum physics.

Astronaut David Dixon's first mission to space goes horribly awry when a gunfight breaks out on a Russian space station. He finds himself making an emergency landing from orbit and becomes the most wanted man on Earth. Desperate to unravel the plot he's found himself in, he takes his pursuers on a wild chase from space to the backstreets of Rio and beyond. Dixon's survival relies on his skills as a pilot and willingness to do whatever it takes.

Tanis and Sera have taken the I2 to Khardine, the new capital of the Transcend, and must now travel to the Inner Stars and meet with Scipian Empress, Diana - who they hope will be an ally to the Transcend. With the Trisilieds Kingdom, the Hegemony of Worlds, and the Nietzschean Empire all aligned with the Orion Guard - not to mention a civil war brewing in the Transcend - they will need all the help they can get to secure the Inner Stars. But Empress Diana has her own plans for the Inner Stars, and while they may dovetail with the Transcend's for now, they may not always do so....

No one has ever ventured deeper into space than the astronauts of Shepherd-1. The aim of their mission: to witness the creation of the cosmos and to see who had a hand in it. The answer never reaches Earth. Shepherd-1 looks functional but abandoned. Former crew member Benjamin sets off and sends his consciousness to the spaceship. Although an enemy throws clubs between his legs, he finds the culprit. The fact that there appears to be no remedy whatsoever does not remain his only problem: The ship, which is about to be destroyed, suddenly receives radio signals from interstellar space.

An intelligent robot and two young people explore Proxima Centauri b, the planet orbiting our nearest star, Proxima Centauri. Their ideas about the mission quickly prove grossly naïve as they venture about on this planet of extremes....