Hard Science Fiction Space

Thousands of years ago, Earth's terraforming program took to the stars. On the world they called Nod, scientists discovered alien life - but it was their mission to overwrite it with the memory of Earth. Then humanity's great empire fell, and the program's decisions were lost to time. Aeons later, humanity and its new spider allies detected fragmentary radio signals between the stars. They dispatched an exploration vessel, hoping to find cousins from old Earth. But those ancient terraformers woke something on Nod better left undisturbed. And it's been waiting for them.

The first of the acclaimed Vatta's War books, the exciting military science fiction series that features a swashbuckling spaceship-captain heroine who mixes commerce with combat.

With the help of a command AI, the hole in the Daedalus has been fixed by Hazel and her friends. But in the process, they have antagonized the Yi, the aliens who are actually controlling the Daedalus. After a daring escape from the Yi, Hazel and her friends now must convince the people of the Daedalus villages and the village leaders that the Yi exist - and that they must fight back in order to survive. This proves tricky, as those in power don't want their authority challenged.

Hugo Award winner Harry Turtledove is the master of alternate history. In American Front he envisions World War I as it may have been if fought on American soil. The United States and Germany clash with the Confederacy, France, and Britain as the machines of modern warfare litter the landscape with carnage. Meanwhile, oppressed southern blacks head toward a fateful confrontation.

Magic flows through the Milky Way. All are scanned before birth. When a starship mechanic casts spells, he becomes the galaxy's most wanted outlaw. Mack Rivera fixes starships for a living. He loves coastal drives, carne asada-flavored ramen, his high school sweetheart, and his scholarship at Terran Galactic New Cal. When his life is threatened, dormant magic surges to the surface, and the spells he casts save his life. The problem is, the prenatal scan missed his magical aptitude, and every spell-slinger is registered by the Bureau of Enchanted Action and Management before they're even ...

Donovan is a world of remarkable wealth that comes at a high price. When Supervisor Kalico Aguila's ship arrives, she discovers a failing colony, its government overthrown, the few remaining colonists gone wild. Donovan could make her career - or kill her. Planetside, Talina Perez is one of three rulers of the Port Authority colony - the only law in the one remaining town. With the Corporate ship demanding answers about the things she's done, Perez could lose everything, including her life. For Dan Wirth, Donovan is a last chance. A psychopath with a death sentence looming over his head, he will make a desperate play for power. No matter who he has to corrupt, murder, or destroy. Captain Max Taggart is the Corporation's enforcer. But is it too late to seize control of Donovan?

"A classic sci-fi read that wears its influences on its sleeve, that is sure to please die hard fans of the genre." - Reedsy Discovery Must Read, ⭐⭐⭐⭐⭐ Humanity's last hope comes down to a twisted, claustrophobic game of cat and mouse hundreds of light years away from home. After the fallout of an ill-advised space war leaves Earth teetering on the edge of doom, Commander Davis leads the first manned mission to recolonize our species on far away planet Nova. The mission is rushed and thrown together last minute, just like its crew. When it all suddenly goes horribly wrong hundreds...

In 2088, humankind is at last ready to explore beyond Earth's solar system. But one uncertainty remains: Where do we go? Astrophysicist Reggie Straifer has an idea. He's discovered an anomalous star that appears to defy the laws of physics and proposes the creation of a deep-space mission to find out whether the star is a weird natural phenomenon or something manufactured.

Chiku Akinya, great granddaughter of the legendary space explorer Eunice and heir to the family empire, is just one among millions on a long one way journey towards a planet they hope to call their new home. For Chiku, the journey is a personal one, undertaken to ensure that the Akinya family achieves its destiny among the stars. The passengers travel in huge self-contained artificial worlds - holoships - putting their faith in a physics they barely understand.

In 2118 the first daring mission to another star, Tau Ceti - 12 light-years away - is launched. Tom Hites and Harry Cosgrove command the starship Endeavour on an epic journey to solve the Fermi paradox. From the first nearly disastrous steps on a distant world, their quest takes them further than they ever imagined.

Set against the backdrop of China’s Cultural Revolution, a secret military project sends signals into space to establish contact with aliens. An alien civilization on the brink of destruction captures the signal and plans to invade Earth. Meanwhile, on Earth, different camps start forming, planning to either welcome the superior beings and help them take over a world seen as corrupt, or to fight against the invasion.

Fleeing Earth after an alien invasion, the human race stands on the threshold of evolution. Their new home is Luna, a moon colony blessed with creature comforts, prolonged lifespans, digital memories, and instant sex changes. But the people of Luna are bored, restless, suicidal - and so is the computer that monitors their existence.

In the 21st century, the perfection of faster-than-light travel and the rise of a prodigious artificial intelligence known as the Eschaton altered the course of humankind. New civilizations were founded across the vastness of space. Now, the technology-eschewing world known as the New Republic is besieged by an alien information plague. Earth quickly sends a battle fleet - but is it coming to the rescue, or is a sinister plot in motion?

In 2205, the 19th Amendment has long been repealed and women are only valued for their utility. The Earth's economy depends on an insular group of linguists who "breed" women to be perfect interstellar translators until they are sent to the Barren House to await death. But instead, these women are slowly creating a language of their own to make resistance possible. Ignorant to this brewing revolution, Nazareth, a brilliant linguist, and Michaela, a servant, both seek emancipation in their own ways. But their personal rebellions risk exposing the secret language.

A new ally providing aid... An old ally joining the fight... Their resources growing with each passing day... Their homeworld finally on the road to recovery... Things finally seem to be coming together for Captain Scott and the Alliance as he takes his forces on the offensive. However, the Jung may in turn give him more trouble than he bargained for.

From bestselling author Saxon Andrew comes A Dangerous Universe - Saving Crystal. Kyle Jamison is given command of the Rock Project and he's thankful for the opportunity to get away from his personal issues. The Rock Project has been studying a strange rock sphere that was uncovered hundreds of years ago. The Project has been going on for more than a hundred years at M.I.T. and there's been no breakthrough or progress to take place on finding out just what the Rock might be or why it emits energy. The project is basically a dead-end unit and only misfits and problematic sailors have been ...

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.

Generations ago, nine ships headed into the unknown to explore a distant star called LQ Pyx. Eons later, the convoy has returned to LQ Pyx to begin work on the Web, the alien megastructure that covers the star. Is it a Dyson Sphere, designed to power a civilization as everyone believes - or something far more sinister? Meanwhile, Planet United's littlest convoy, long thought to be lost, reemerges in a different sector of deep space. What they discover holds the answers to unlocking the Web's greater purpose.

In the early 22nd century, humanity has spread through the solar system - and their electromagnetic signals have traveled hundreds of light years. An alien race called the Oghaldzon has decided that mankind is dangerously insane...and must be forcibly taken under control. The invasion fleet's technology is decades ahead of Earth's best. They have more ships than the human fleets combined, and a seemingly-inexhaustible number of ground troops. And they're not afraid to kill billions of people.

Sera must return to Khardine, where new challenges await, and preprations for the march on Airtha begin. Meanwhile Tanis turns toward the Praesepe Cluster. There, a handfull of interstellar nations hold out against the encroaching Nietzschean Empire. Sera's Hand agents are certain that the Nietzscheans are backed by Orion, and Nadine is sent in ahead to connect with agents in Septhia before the I2 arrives.