Hardsf
Explore the best hard science fiction books with Hardsf—your ultimate guide to mind-bending, scientifically accurate reads for true SF enthusiasts.
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A Door Into Ocean
by Joan Slonczewski
The Sharers of Shora are a nation of women on a distant moon in the far future who are pacifists, who are highly advanced in biological sciences, and who reproduce by parthenogenesis-- because there are no males. Conflict erupts when a neighboring civilization decides to develop their ocean world and sends in an army.
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Darwin's Radio
by Greg Bear
A 2000 HUGO AWARD NOMINEE Ancient diseases encoded in the DNA of humans wait like sleeping dragons to wake and infect again--or so molecular biologist Kaye Lang believes. And now it looks as if her controversial theory is in fact chilling reality. For Christopher Dicken, a "virus hunter" at the Epidemic Intelligence Service, has pursued an elusive flu-like disease that strikes down expectant mothers and their offspring. Then a major discovery high in the Alps --the preserved bodies of a prehistoric family--reveals a shocking link: something that has slept in our genes for millions of years is waking up. Now, as the outbreak of this terrifying disease threatens to become a deadly epidemic, Dicken and Lang must race against time to assemble the pieces of a puzzle only they are equipped to solve--an evolutionary puzzle that will determine the future of the human race . . . if a future exists at all.
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The Integral Trees
by Larry Niven
"Niven has come up with an idea about as far out as one can get. . . . This is certainly classic science fiction-the idea is truly the hero." -"Asimov's Science Fiction Magazine "When leaving Earth, the crew of the spaceship "Discipline" was prepared for a routine assignment. Dispatched by the all-powerful State on a mission of interstellar exploration and colonization, "Discipline" was aided (and secretly spied upon) by Sharls Davis Kendy, an emotionless computer intelligence programmed to monitor the loyalty and obedience of the crew. But what they weren't prepared for was the smoke ring-an immense gaseous envelope that had formed around a neutron star directly in their path. The Smoke Ring was home to a variety of plant and animal life-forms evolved to thrive in conditions of continual free-fall. When "Discipline" encountered it, something went wrong. The crew abandoned ship and fled to the unlikely space oasis. Five hundred years later, the descendants of the "Discipline" crew living on the Smoke Ring no longer remember their origins. Earth is more myth than memory, and no recollection of the State remains. But Kendy remembers. And just outside the Smoke Ring, "Discipline" waits patiently to make contact with its wayward children. " "
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Starfish
by Peter Watts
An international corporation has developed a power facility at the bottom of the Pacific Ocean to exploit geothermal power. The only people who can withstand the pressure and breathe the seawater to work in this environment are crazy, some of them in unpleasant ways. How many of them can survive long enough to become sane while worldwide disaster approaches from below?
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A Fire Upon The Deep
by Vernor Vinge
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. A Fire Upon The Deep is the winner of the 1993 Hugo Award for Best Novel.
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Manifold: Time
by Stephen Baxter
Reid Malenfant redoubles his efforts to become an astronaut when it becomes clear that the future of the universe depends on the colonization of space to solve Earth's devastating problems.
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The Martian Race
by Gregory Benford
With NASA's mission to Mars scrapped because of a tragic accident, billionaire John Axelrod steps in to compete with the European-Chinese effort to reach the fourth planet first, and the race is on. Reprint.
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The Diamond Age
by Neal Stephenson
Vividly imagined, stunningly prophetic, and epic in scope, The Diamond Age is a major novel from one of the most visionary writers of our time Decades into our future, a stone’s throw from the ancient city of Shanghai, a brilliant nanotechnologist named John Percival Hackworth has just broken the rigorous moral code of his tribe, the powerful neo-Victorians. He's made an illicit copy of a state-of-the-art interactive device called A Young Ladys Illustrated Primer Commissioned by an eccentric duke for his grandchild, stolen for Hackworth's own daughter, the Primer’s purpose is to educate and raise a girl capable of thinking for herself. It performs its function superbly. Unfortunately for Hackworth, his smuggled copy has fallen into the wrong hands. Young Nell and her brother Harv are thetes—members of the poor, tribeless class. Neglected by their mother, Harv looks after Nell. When he and his gang waylay a certain neo-Victorian—John Percival Hackworth—in the seamy streets of their neighborhood, Harv brings Nell something special: the Primer. Following the discovery of his crime, Hackworth begins an odyssey of his own. Expelled from the neo-Victorian paradise, squeezed by agents of Protocol Enforcement on one side and a Mandarin underworld crime lord on the other, he searches for an elusive figure known as the Alchemist. His quest and Nell’s will ultimately lead them to another seeker whose fate is bound up with the Primer—a woman who holds the key to a vast, subversive information network that is destined to decode and reprogram the future of humanity.
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Tau Zero
by Poul Anderson
The epic voyage of the spacecraft Leonora Christine will take her and her fifty-strong crew to a planet some thrity light-years distant. But, because the ship will accelerate to close to the spped of light, for those on board subjective time will slow and the journey will be of only a few years¿ duration. Then a buffeting by an interstellar dustcloud changes everything. The ship¿s deceleration system is damaged irreperably and soon she is gaining velocity. When she attains light-speed, tau zero itself, the disparity between ship-time and external time becomes almost impossibly great. Eons and galaxies hurtle by, and the crew of the Leonora Christine speeds into the unknown.
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Dragon's Egg
by Robert L. Forward
“In science fiction there is only a handful of books that stretch the mind—and this is one of them.”—Arthur C. Clarke In a moving story of sacrifice and triumph, human scientists establish a relationship with intelligent lifeforms—the cheela—living on Dragon’s Egg, a neutron star where one Earth hour is equivalent to hundreds of their years. The cheela culturally evolve from savagery to the discovery of science, and for a brief time, men are their diligent teachers. Praise for Dragon’s Egg “Bob Forward writes in the tradition of Hal Clement’s Mission of Gravity and carries it a giant step (how else?) forward.”—Isaac Asimov “Dragon’s Egg is superb. I couldn’t have written it; it required too much real physics.”—Larry Niven “This is one for the real science-fiction fan.”—Frank Herbert “Robert L. Forward tells a good story and asks a profound question. If we run into a race of creatures who live a hundred years while we live an hour, what can they say to us or we to them?”—Freeman J. Dyson “Forward has impeccable scientific credentials, and . . . big, original, speculative ideas.”—The Washington Post
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Calculating God
by Robert J. Sawyer
In the near future, an alien craft lands outside the Royal Ontario Museum in Toronto. A six-legged, two-armed alien named Hollus relates to paleontologist Tom Jericho that the Earth, Hollus's home planet, and the planet of another alien species all experienced the same five cataclysmic events that prove the existence of God.
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The Golden Globe
by John Varley
"This is an engrossing novel by one of the genre's most accomplished storytellers." --Publishers Weekly All the universe is a stage...and Sparky Valentine is its itinerant thespian. He brings Shakespeare--a version of it anyway--to the outer reaches of Earth's solar system. Sparky can transform himself from young to old, fat to thin, even male to female, by altering magnetic implants beneath his skin. Indispensible hardware for a career actor--and an interstellar con man wanted for murder...
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Gateway
by Frederik Pohl
Gateway opened on all the wealth of the Universe...and on reaches of unimaginable horror. When prospector Bob Broadhead went out to Gateway on the Heechee spacecraft, he decided he would know which was the right mission to make him his fortune. Three missions later, now famous and permanently rich, Robinette Broadhead has to face what happened to him and what he is...in a journey into himself as perilous and even more horrifying than the nightmare trip through the interstellar void that he drove himself to take! THE HEECHEE SAGA Book One: GATEWAY Book Two: BEYOND THE BLUE EVENT HORIZON Book Three: HEECHEE RENDEZVOUS Book Four: THE ANNALS OF THE HEECHEE
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A Deepness in the Sky
by Vernor Vinge
After thousands of years searching, humans stand on the verge of first contact with an alien race. Two human groups: the Qeng Ho, a culture of free traders, and the Emergents, a ruthless society based on the technological enslavement of minds. The group that opens trade with the aliens will reap unimaginable riches. But first, both groups must wait at the aliens' very doorstep for their strange star to relight and for their planet to reawaken, as it does every two hundred and fifty years.... Then, following terrible treachery, the Qeng Ho must fight for their freedom and for the lives of the unsuspecting innocents on the planet below, while the aliens themselves play a role unsuspected by the Qeng Ho and Emergents alike. More than just a great science fiction adventure, A Deepness in the Sky is a universal drama of courage, self-discovery, and the redemptive power of love. A Deepness in the Sky is a 1999 Nebula Award Nominee for Best Novel and the winner of the 2000 Hugo Award for Best Novel.
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Protector
by Larry Niven
A classic novel of known space Phssthpok the Pak had been traveling for most of his thirty-two thousand years. His mission: save, develop, and protect the group of Pak breeders sent out into space some two and a half million years before . . . Brennan was a Belter, the product of a fiercely independent, somewhat anarchic society living in, on, and around an outer asteroid belt. The Belters were rebels, one and all, and Brennan was a smuggler. The Belt worlds had been tracking the Pak ship for days—Brennan figured to meet that ship first . . . He was never seen again—at least not by those alive at the time.
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Distress
by Greg Egan
In the year 2055, a disease called "Distress" affects millions, and when investigative reporter Andrew Worth travels to the virtual planet of Stateless to document a gathering of physicists, his focus, Violet Mosala, begins to receive death threats, and he discovers that "Distress" is linked to the conference and to the end of the world. Reprint.
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The Engines of God
by Jack McDevitt
An unknown race called the Monument-Makers creates a stunning array of gorgeous statues, scattering them throughout the galaxy and encoding them with strange inscriptions that hold the key to the survival of humankind. Reprint. AB. K.