Ancestral Night


Elizabeth Bear - 2019
    Haimey and her small crew run afoul of pirates at the outer limits of the Milky Way, and find themselves on the run and in possession of universe-changing information.When authorities prove corrupt, Haimey realizes that she is the only one who can protect her galaxy-spanning civilization from the implications of this ancient technology—and the revolutionaries who want to use it for terror and war. Her quest will take her careening from the event horizon of the supermassive black hole at the galaxy’s core to the infinite, empty spaces at its edge.To save everything that matters, she will need to uncover the secrets of ancient intelligences lost to time—and her own lost secrets, which she will wish had remained hidden from her forever.

Sundiver


David Brin - 1980
    Did some cryptic patron race begin the job long ago, then abandon us? Or did we leap all by ourselves? That question burns, yet a greater mystery looms ahead, in the furnace of a star. Under the caverns of Mercury, Expedition Sundiver prepares for the most momentous voyage in our history – into the boiling inferno of the sun, seeking our destiny in the cosmic order of life.

A World Out of Time


Larry Niven - 1976
    Once he was outbound, where the Society that ruled Earth could not reach him, he headed his starship toward the galactic core, where the unimaginable energies of the Universe wrenched the fabric of time and space and promised final escape from his captors.Then he returned to an Earth eons older than the one he'd left...a planet that had had 3,000,000 years to develop perils he had never dreamed of -- perils that became nightmares that he had to escape...somehow!

A Fire Upon the Deep


Vernor Vinge - 1992
    A Fire upon the Deep is the big, breakout book that fulfills the promise of Vinge's career to date: a gripping tale of galactic war told on a cosmic scale.Thousands of years hence, many races inhabit a universe where a mind's potential is determined by its location in space, from superintelligent entities in the Transcend, to the limited minds of the Unthinking Depths, where only simple creatures and technology can function. Nobody knows what strange force partitioned space into these "regions of thought," but when the warring Straumli realm use an ancient Transcendent artifact as a weapon, they unwittingly unleash an awesome power that destroys thousands of worlds and enslaves all natural and artificial intelligence.Fleeing the threat, a family of scientists, including two children, are taken captive by the Tines, an alien race with a harsh medieval culture, and used as pawns in a ruthless power struggle. A rescue mission, not entirely composed of humans, must rescue the children-and a secret that may save the rest of interstellar civilization.

Consider Phlebas


Iain M. Banks - 1987
    Billions had died, billions more were doomed. Moons, planets, the very stars themselves, faced destruction, cold-blooded, brutal, and worse, random. The Idirans fought for their Faith; the Culture for its moral right to exist. Principles were at stake. There could be no surrender.Within the cosmic conflict, an individual crusade. Deep within a fabled labyrinth on a barren world, a Planet of the Dead proscribed to mortals, lay a fugitive Mind. Both the Culture and the Idirans sought it. It was the fate of Horza, the Changer, and his motley crew of unpredictable mercenaries, human and machine, actually to find it, and with it their own destruction.

The Memory of Earth


Orson Scott Card - 1992
    the Oversoul watches Its task. programmed so many millennia ago. is to guard the human settlement on this planet-. -to protect this fragile remnant of Earth from all threats. To protect them. most of all. from themselves. The Oversoul has done its job well. There is no war on Harmony. There are no weapons of mass destruction. There is no technology that could lead to weapons of war. By control of the data banks. and subtle interference in the very thoughts of the people. the artificial intelligence has fulfilled its mission. But now there is a problem. In orbit. the Oversoul realizes that it has lost access to some of its memory banks. and some of its power systems are failing. And on the planet. men are beginning to think about power. wealth. and conquest.

Seveneves


Neal Stephenson - 2015
    In a feverish race against the inevitable, nations around the globe band together to devise an ambitious plan to ensure the survival of humanity far beyond our atmosphere, in outer space.But the complexities and unpredictability of human nature coupled with unforeseen challenges and dangers threaten the intrepid pioneers, until only a handful of survivors remain . . .Five thousand years later, their progeny—seven distinct races now three billion strong—embark on yet another audacious journey into the unknown . . . to an alien world utterly transformed by cataclysm and time: Earth.A writer of dazzling genius and imaginative vision, Neal Stephenson combines science, philosophy, technology, psychology, and literature in a magnificent work of speculative fiction that offers a portrait of a future that is both extraordinary and eerily recognizable. As he did in Anathem, Cryptonomicon, the Baroque Cycle, and Reamde, Stephenson explores some of our biggest ideas and perplexing challenges in a breathtaking saga that is daring, engrossing, and altogether brilliant.

House of Suns


Alastair Reynolds - 2008
    But now, someone is eliminating the Gentian line. Campion and Purslane—two shatterlings who have fallen in love and shared forbidden experiences—must determine exactly who, or what, their enemy is, before they are wiped out of existence.

The Long Earth


Terry Pratchett - 2012
    Almost drowned out by the sounds of the mundane world. Did people in this polished building understand how noisy it was? The roar of air conditioners and computer fans, the susurration of many voices heard but not decipherable.... This was the office of the transEarth Institute, an arm of the Black Corporation. The faceless office, all plasterboard and chrome, was dominated by a huge logo, a chesspiece knight. This wasn't Joshua's world. None of it was his world. In fact, when you got right down to it, he didn't have a world; he had all of them.ALL OF THE LONG EARTH.The possibilites are endless. Just be careful what you wish for....)1916: The Western Front. Private Percy Blakeney wakes up. He is lying on fresh spring grass. He can hear birdsong, and the wind in the leaves. Where has the mud, blood and blasted landscape of no-man's-land gone? For that matter, where has Percy gone?2015: Madison, Wisconsin. Police officer Monica Jansson is exploring the burned-out home of a reclusive--some said mad, others allege dangerous--scientist who seems to have vanished. Sifting through the wreckage, Jansson finds a curious gadget: a box containing some rudimentary wiring, a three-way switch, and...a potato. It is the prototype of an invention that will change the way humankind views the world forever.The first novel in an exciting new collaboration between Discworld creator Terry Pratchett and the acclaimed SF writer Stephen Baxter, The Long Earth transports readers to the ends of the earth and far beyond. All it takes is a single step....

Provenance


Ann Leckie - 2017
    She hatches an audacious plan--free a thief from a prison planet from which no one has ever returned, and use them to help steal back a priceless artifact.But Ingray and her charge return to her home to find their planet in political turmoil, at the heart of an escalating interstellar conflict. Together, they must make a new plan to salvage Ingray's future and her world, before they are lost to her for good.

Triplanetary


E.E. "Doc" Smith - 1948
    The Arisians, using advanced mental technology, have foreseen the invasion of their galaxy by the corrupt and evil Eddorians, so they begin a breeding program on every planet in their universe. Their goal...to produce super warriors who can hold off the invading Eddorians.

Proxima


Stephen Baxter - 2013
    The age of star formation is long past. Yet there is life here, feeding off the energies of the stellar remnants, and there is mind, a tremendous galaxy-spanning intelligence each of whose thoughts lasts a hundred thousand years. And this mind cradles memories of a long-gone age when a more compact universe was full of light... The 27th century: Proxima Centauri, an undistinguished red dwarf star, is the nearest star to our sun. How would it be to live on such a world?

Arkwright


Allen M. Steele - 2016
    At the end of his life he becomes reclusive and cantankerous, refusing to appear before or interact with his legion of fans. Little did anyone know, Nathan was putting into motion his true, timeless legacy.Convinced that humanity cannot survive on Earth, his Arkwright Foundation dedicates itself to creating a colony on an Earth-like planet several light years distant. Fueled by Nathan's legacy, generations of Arkwrights are drawn together, and pulled apart, by the enormity of the task and weight of their name.

Semiosis


Sue Burke - 2018
    The planet provides a lush but inexplicable landscape--trees offer edible, addictive fruit one day and poison the next, while the ruins of an alien race are found entwined in the roots of a strange plant. Conflicts between generations arise as they struggle to understand one another and grapple with an unknowable alien intellect.

Empress of Forever


Max Gladstone - 2019
    On the eve of her greatest achievement, she's trying to outrun those who are trying to steal her success.In the chilly darkness of a Boston server farm, Viv sets her ultimate plan into motion. A terrifying instant later, Vivian Liao is catapulted through space and time to a far future where she confronts a destiny stranger and more deadly than she could ever imagine. The end of time is ruled by an ancient, powerful Empress who blesses or blasts entire planets with a single thought. Rebellion is literally impossible to consider--until Vivian arrives. Trapped between the Pride, a ravening horde of sentient machines, and a fanatical sect of warrior monks who call themselves the Mirrorfaith, Viv must rally a strange group of allies to confront the Empress and find a way back to the world and life she left behind.A magnificent work of vivid imagination and universe-spanning action, Empress of Forever is a feminist Guardians of the Galaxy crossed with Star Wars and spiced with the sensibility and spirit of Iain M. Banks and William Gibson.