The Calculating Stars


Mary Robinette Kowal - 2018
    The ensuing climate cataclysm will soon render the earth inhospitable for humanity, as the last such meteorite did for the dinosaurs. This looming threat calls for a radically accelerated effort to colonize space, and requires a much larger share of humanity to take part in the process.Elma York’s experience as a WASP pilot and mathematician earns her a place in the International Aerospace Coalition’s attempts to put man on the moon, as a calculator. But with so many skilled and experienced women pilots and scientists involved with the program, it doesn’t take long before Elma begins to wonder why they can’t go into space, too.Elma’s drive to become the first Lady Astronaut is so strong that even the most dearly held conventions of society may not stand a chance against her.

Grass


Sheri S. Tepper - 1989
    But before humanity arrived, another species had already claimed Grass for its own. It too had developed a culture...... Now a deadly plague is spreading across the stars, leaving no planet untouched, save for Grass. But the secret of the planet's immunity hides a truth so shattering it could mean the end of life itself.

The Gods Themselves


Isaac Asimov - 1972
    But even free energy has a price. The transference process itself will eventually lead to the destruction of the Earth's Sun--and of Earth itself.Only a few know the terrifying truth--an outcast Earth scientist, a rebellious alien inhabitant of a dying planet, a lunar-born human intuitionist who senses the imminent annihilation of the Sun.  They know the truth--but who will listen?  They have foreseen the cost of abundant energy--but who will believe?  These few beings, human and alien, hold the key to the Earth's survival.

Woman on the Edge of Time


Marge Piercy - 1976
    One will become our world. And Connie herself may strike the decisive blow...

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.

The Light Brigade


Kameron Hurley - 2019
    Grunts in the corporate corps get busted down into light to travel to and from interplanetary battlefronts. Everyone is changed by what the corps must do in order to break them down into light. Those who survive learn to stick to the mission brief—no matter what actually happens during combat.Dietz, a fresh recruit in the infantry, begins to experience combat drops that don’t sync up with the platoon’s. And Dietz’s bad drops tell a story of the war that’s not at all what the corporate brass want the soldiers to think is going on.Is Dietz really experiencing the war differently, or is it combat madness? Trying to untangle memory from mission brief and survive with sanity intact, Dietz is ready to become a hero—or maybe a villain; in war it’s hard to tell the difference.

A Memory Called Empire


Arkady Martine - 2019
    But no one will admit that his death wasn't an accident—or that Mahit might be next to die, during a time of political instability in the highest echelons of the imperial court.Now, Mahit must discover who is behind the murder, rescue herself, and save her Station from Teixcalaan's unceasing expansion—all while navigating an alien culture that is all too seductive, engaging in intrigues of her own, and hiding a deadly technological secret—one that might spell the end of her Station and her way of life—or rescue it from annihilation.

Rendezvous with Rama


Arthur C. Clarke - 1973
    It is huge, weighing more than ten trillion tons. And it is hurtling through the solar system at an inconceivable speed. Then a space probe confirms the unthinkable: Rama is no natural object. It is, incredibly, an interstellar spacecraft. Space explorers and planet-bound scientists alike prepare for mankind's first encounter with alien intelligence. It will kindle their wildest dreams... and fan their darkest fears. For no one knows who the Ramans are or why they have come. And now the moment of rendezvous awaits — just behind a Raman airlock door.

The Three-Body Problem


Liu Cixin - 2006
    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. The result is a science fiction masterpiece of enormous scope and vision.

To Your Scattered Bodies Go


Philip José Farmer - 1971
    When famous adventurer Sir Richard Francis Burton dies, the last thing he expects to do is awaken naked on a foreign planet along the shores of a seemingly endless river. But that's where Burton and billions of other humans (plus a few nonhumans) find themselves as the epic Riverworld saga begins. It seems that all of Earthly humanity has been resurrected on the planet, each with an indestructible container that provides three meals a day, cigarettes, alcoholic beverages, a lighter, and the odd tube of lipstick. But why? And by whom? That's what Burton and a handful of fellow adventurers are determined to discover as they construct a boat and set out in search of the river's source, thought to be millions of miles away. Although there are many hardships during the journey--including an encounter with the infamous Hermann Goring--Burton's resolve to complete his quest is strengthened by a visit from the Mysterious Stranger, a being who claims to be a renegade within the very group that created the Riverworld. The stranger tells Burton that he must make it to the river's headwaters, along with a dozen others the Stranger has selected, to help stop an evil experiment at the end of which humanity will simply be allowed to die. --Craig E. Engler

The Long Way to a Small, Angry Planet


Becky Chambers - 2014
    While the patched-up ship has seen better days, it offers her a bed, a chance to explore the far-off corners of the galaxy, and most importantly, some distance from her past. An introspective young woman who learned early to keep to herself, she’s never met anyone remotely like the ship’s diverse crew, including Sissix, the exotic reptilian pilot, chatty engineers Kizzy and Jenks who keep the ship running, and Ashby, their noble captain.Life aboard the Wayfarer is chaotic and crazy—exactly what Rosemary wants. It’s also about to get extremely dangerous when the crew is offered the job of a lifetime. Tunneling wormholes through space to a distant planet is definitely lucrative and will keep them comfortable for years. But risking her life wasn’t part of the plan. In the far reaches of deep space, the tiny Wayfarer crew will confront a host of unexpected mishaps and thrilling adventures that force them to depend on each other. To survive, Rosemary’s got to learn how to rely on this assortment of oddballs—an experience that teaches her about love and trust, and that having a family isn’t necessarily the worst thing in the universe.

Gateway


Frederik Pohl - 1977
    and on reaches of unimaginable horror. When prospector Robinette 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, Rob Broadhead has to face what happened to him and what he has become... 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 City in the Middle of the Night


Charlie Jane Anders - 2019
    But she survives--with the help of a mysterious savior from beneath the ice.Burdened with a dangerous, painful secret, Sophie and her ragtag group of exiles face the ultimate challenge--and they are running out of time.Welcome to the City in the Middle of the Night.

Beggars in Spain


Nancy Kress - 1993
    Leisha Camden was genetically modified at birth to require no sleep, and her normal twin Alice is the control. Problems and envy between the sisters mirror those in the larger world, as society struggles to adjust to a growing pool of people who not only have 30 percent more time to work and study than normal humans, but are also highly intelligent and in perfect health. The Sleepless gradually outgrow their welcome on Earth, and their children escape to an orbiting space station to set up their own society. But Leisha and a few others remain behind, preaching acceptance for all humans, Sleepless and Sleeper alike. With the conspiracy and revenge that unwinds, the world needs a little preaching on tolerance.

Ammonite


Nicola Griffith - 1992
    These are the only options available on the planet Jeep. Centuries earlier, a deadly virus shattered the original colony, killing the men and forever altering the few surviving women. Now, generations after the colony has lost touch with the rest of humanity, a company arrives to exploit Jeep–and its forces find themselves fighting for their lives. Terrified of spreading the virus, the company abandons its employees, leaving them afraid and isolated from the natives. In the face of this crisis, anthropologist Marghe Taishan arrives to test a new vaccine. As she risks death to uncover the women’s biological secret, she finds that she, too, is changing–and realizes that not only has she found a home on Jeep, but that she alone carries the seeds of its destruction. . . . Ammonite is an unforgettable novel that questions the very meanings of gender and humanity. As readers share in Marghe’s journey through an alien world, they too embark on a parallel journey of fascinating self-exploration.