Hard Science Fiction Space

This classic science fiction masterwork by Isaac Asimov weaves stories about robots, humanity, and the deep questions of existence into a novel of shocking intelligence and heart.

On the planet of Per Ardua, alien artifacts were discovered - hatches that allowed humans to step across light-years of space as if they were stepping into another room. But this newfound freedom has consequences. As humanity discovers the real nature of the universe, a terrifying truth comes to light: We all have countless pasts converging in this present - and our future is terrifyingly finite. There are minds in the universe that are billions of years old, and now we are vulnerable to their plans for us.

The shady crew of the White Raven run freight and salvage at the fringes of our solar system. They discover the wreck of a centuries-old exploration vessel floating light years away from its intended destination and revive its sole occupant, who wakes with news of First Alien Contact. When the crew break it to her that humanity has alien allies already, she reveals that these are very different extra-terrestrials and the gifts they bestowed on her could kill all humanity, or take it out to the most distant stars.

Sera leads a simple life. A little smuggling, some drinking contests, and captaining her star freighter, Sabrina. But when she picks up a mysterious shipping container on Coburn Station, things begin to go wrong. She finds herself at odds with The Mark, a dangerous pirate organization that wants the cargo on her ship. Inside the container she not only finds a woman, but a secret thought lost millennia ago.

For decades, the spacefaring species of known space have battled over the largest artifact - and grandest prize - in the galaxy: the all-but-limitless resources and technology of the Ringworld. Now, without warning, the Ringworld has vanished, leaving behind three rival war fleets. If the fallen civilization of the Ringworld can no longer be despoiled of its secrets, the puppeteers will be forced to surrender theirs - everyone knows that they are cowards. But the crises converging upon the trillion puppeteers of the Fleet of Worlds go far beyond even the onrushing armadas.

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.

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.

Fleet of Worlds takes a closer look at Human-Puppeteer (Citizen) relations and the events leading up to Niven's first Ringworld novel. Kirsten Quinn-Kovacks is among the best and brightest of her people. She gratefully serves the gentle race that rescued her ancestors from a dying starship, gave them a world, and nurtures them still. If only the Citizens knew where Kirsten's people came from.

To win an impossible war, Captain Kel Cheris must awaken an ancient weapon and a despised traitor general.

Captain Kel Cheris of the Hexarchate is disgraced for using unconventional methods in a battle against heretics. Kel Command gives her the opportunity to redeem herself by retaking the Fortress of Scattered Needles, a star fortress that has recently been captured by heretics. Cheris' career isn't the only thing at stake. If the fortress falls, the Hexarchate itself might be next.

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.

Tanis is looking forward to a long journey in stasis before arriving at the newly terraformed world of New Eden. New Life. New Start. Getting a berth on the Intrepid is her ticket out of the Sol System. But nothing proves easy for Major Tanis Richards. Nothing is at it seems. What should be a simple trip is fraught with danger and filled with adventure. An array of forces seek to stop the Intrepid - no matter the cost, or lives lost. From competing corporations, to stellar eco-terrorists, no one wants the Intrepid to arrive at New Eden.

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.

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.

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.

Technology accelerates human evolution ... Yet extinction draws near ... After manifold technology accelerates evolution, humanity has colonised the stars. Lifespans stretch to hundreds of years. Worlds bloom with strange new life. Bryn, an Invigilator with a dark past, is tasked with keeping watch over the utopia. Summoned to stop a galaxy-devouring threat, he must discern friend from foe on the most distant human colony in existence: Wilderness Five. "Intelligent, fascinating and imaginative science fiction!” – Therese Schwartz, Amazon 5-star review, 2025 From Cambridge planetary ...

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?

A planet in the endless emptiness of space, far from the warmth of any sun. And yet there are people who populate its vast caverns, living, working and loving. Since time immemorial, they have been on course for Andromeda, the neighboring galaxy of the Milky Way. This is the prophecy of the ancients, the one goal that unites them all, their cult. But then the unthinkable happens: the journey stops because the planet enters the orbit of a mysterious object that can't be seen in any telescope.

In the conclusion of the Poseidon's Children saga, the Akinya family receives an invitation from across the stars - and a last opportunity to redeem their name.... "Send Ndege". The cryptic message originated 70 light-years away from the planet Crucible, where Ndege Akinya lives under permanent house arrest for her role in the catastrophe that killed 417,000 people. Could it be from her mother, Chiku, who vanished during a space expedition decades earlier?

Since fleeing the supernova chain reaction at the galactic core, the cowardly Puppeteers of the Fleet of Worlds have - just barely - survived one crisis after another: the rebellion of their human slaves, the relentless questing of the species of Known Space, the spectacular rise of the starfishlike Gw'oth, the onslaught of the genocidal Pak. Now fresh disaster looms, as though past crises have returned and converged. Who can possibly save the Fleet this time?

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.