Hard Science Fiction

When the Sun is threatened by an alien microbe, the fate of humanity rests on the shoulders of an unlikely hero – and an even more unlikely friendship.

Darrow would have lived in peace, but his enemies brought him war. The Gold overlords demanded his obedience, hanged his wife, and enslaved his people. But Darrow is determined to fight back. Risking everything to transform himself and breach Gold society, Darrow has battled to survive the...

Stranded on the surface of Mars, astronaut Mark Watney’s only hope for survival is science, a sense of humor, and maybe some potatoes.

On the Moon, crime pays, but small-time crook Jazz Bashara may have just uncovered a conspiracy of lunar proportions. Welcome to Artemis.

When retired millionaire Bob Johansson chose cryogenic preservation, the last thing he expected was to be reanimated as a space probe that can clone itself. Meet the Bobs.

Civil war looms in the Bobiverse in this brand-new, epic-length adventure by Audible number one best seller Dennis E. Taylor. More than a hundred years ago, Bender set out for the stars and was never heard from again....

A most-anticipated title from USA Today, Goodreads, BookPage, BookRiot, Seattle Times, and The Nerd Daily! Everyone's favorite lethal SecUnit is back in the next installment of Martha Wells' bestselling and award-winning Murderbot Diaries series. Having someone else support your bad decision...

All Systems Red is the tense first science fiction adventure novella in Martha Wells' series The Murderbot Diaries. For fans of Westworld, Ex Machina, Ann Leckie's Imperial Raadch series, or Iain M. Banks' Culture novels. All Systems Red tackles questions of the ethics of sentient robotics. The...

Originally published in 1932, this outstanding work of literature is more crucial and relevant today than ever before. “One of the most prophetic dystopian works of the 20th century”—Wall Street Journal Cloning, feel-good drugs, antiaging programs, and total social control through politics...

The fourth and final part of the Murderbot Diaries series that began with All Systems Red. Murderbot wasn't programmed to care. So its decision to help the only human who ever showed it respect must be a system glitch, right? Having traveled the width of the galaxy to unearth details of its...

The New York Times best-selling security droid with a heart (though it wouldn't admit it!) is back in Fugitive Telemetry! Having captured the hearts of audiences across the globe (Annalee Newitz says it's "one of the most humane portraits of a nonhuman I've ever read"), Murderbot has also...

A classic thriller from #1 New York Times bestselling author Michael Crichton, Sphere is a bravura demonstration of what he does better than anyone: riveting storytelling that combines frighteningly plausible, cutting-edge science and technology with pulse-pounding action....

An epic first-contact story on a galactic scale. Humans have reached the stars. There is no evidence any other species survived its own sentience long enough to do the same. Until now, when the Magellanix deep-space scout Accipiter discovers the Artifact, a million-year-old alien construct...

A murderous android discovers itself in All Systems Red, a tense science fiction adventure by Martha Wells that interrogates the roots of consciousness through Artificial Intelligence. "As a heartless killing machine, I was a complete failure." In a corporate-dominated spacefaring future...

The third thrilling book in the increasingly popular Murderbot Diaries, which began with All Systems Red. Sci-fi's favorite antisocial AI is back on a mission. The case against the too-big-to-fail GrayCris Corporation is floundering, and more importantly, authorities are beginning to ask more...

Only once in a great while does a writer come along who defies comparison - a writer so original he redefines the way we look at the world...

Silas has a secret he can't explain in this labyrinthian sci-fi novel, in which reality bends—and destiny hangs by a thread. Silas Keene sees things no one else can: distant places, hidden truths, and sometimes, the horrors waiting in the dark. It's a gift he doesn't understand—until he...

In 1942, Lawrence Pritchard Waterhouse - mathematical genius and young Captain in the US Navy - is assigned to Detachment 2702. It is an outfit so secret that only a handful of people know it exists, and some of those people have names like Churchill and Roosevelt....

Martha Wells' New York Times and USA Today best-selling Murderbot series exploded onto the scene in 2017, and the world has not been the same, since. Murderbot returns in its highly anticipated, first full-length stand-alone novel, Network Effect. You know that feeling when you’re at work and...

From a New York Times bestselling and Hugo award-winning author comes a modern masterwork of science fiction, introducing a captain, his crew, and a detective as they unravel a horrifying solar system wide conspiracy that begins with a single missing girl. Now a Prime Original series. Humanity...

From Timothy Zahn, Hugo Award winner and New York Times bestselling author of two landmark Star Wars series, comes an original new tale featuring a renegade space pilot, his unusual alien partner, and an unknown cargo that can change the course of galactic history. Jordan McKell has a...

The United States government is given a warning by the preeminent biophysicists in the country: current sterilization procedures applied to returning space probes may be inadequate....

Nine hundred thousand years ago, something annihilated the Amarantin civilization just as it was on the verge of discovering space flight. Now one scientist, Dan Sylveste, will stop at nothing to solve the Amarantin riddle before ancient history repeats itself. With no other resources at his...

We have arrived. Descent is in progress. Ryan Pierce traded military life for a peaceful existence in Napa Valley. Everything was fine until the starships appeared. As aliens overtake the land and obscure the sun, Ryan quickly grasps that no one's coming to rescue them. He can't save the world...

From beyond her grave, a hero's final transmission could turn the tide of a galactic war. Three years after humanity's Final Stand against the Korilian Empire, the Colonial Defense Forces have largely reclaimed the lost colonies. However, as the tide of war shifts against the Colonies again...

Rebecca and Mark Higgins are doing their best to hold their family together. She’s healing from the pain of a miscarriage, he’s drowning in pressure at work, and their neurodivergent daughter, Maddy, needs all the care she can get. So when a cutting-edge tech company offers the perfect solution, they jump at the chance. And they welcome “Mr. Man”—humanoid AI companion—into their home.

In the depths of a mountain fortress, the fate of two warring Houses rests on the fragments of a powerful gem that destroy all who touch them. Domus Praesidium, a soaring citadel etched into the mountainside, stands as the final bastion of the Nexus House, home to the prescients who have guided...

A high-concept, high-stakes thriller that will leave you questioning the nature of reality, and what it really means to be awake, perfect for fans of Dan Brown and James Rollins. Three impossible objects with the mass of neutron stars are hurtling toward Earth. Will they shatter reality as we...

Earth has survived. But the stars aren't our own. The Formless have been thwarted for now, but a message may have escaped a mining scout ship before it was destroyed. Solus, a mediator with an allegiance to Ryan Piece, was exiled by the Kannin, and Earth is abandoned by their saviors. With the...

Paleontologists say 99% of all species that have ever lived on Earth are now extinct. Extinction is natural—until it isn’t. Paleontologists have declared we are living through the Sixth Mass Extinction, a human-triggered crisis unfolding not over millions of years, but within decades. From climate collapse and ecological ruin to the looming threat of nuclear war, the timeline to disaster is no longer hypothetical—it’s accelerating.

What if your final heartbeat was not the end of life, but the beginning of an infinite, terrifying awakening? In H.G. Wells’s deeply unsettling psychological horror "Under the Knife", a routine medical procedure devolves into a cosmic nightmare. As the suffocating stench of chloroform...

One drop. Millions of lives. And a countdown to absolute chaos. When a brilliant scientist reveals a sample of "bottled cholera" to a mysterious, pale-faced visitor, he unknowingly hands over the ultimate weapon of terror. The guest is a radical anarchist - and in a heartbeat, the lethal...

Is this a new star... or our final night? Something impossible has broken the lonely silence of the void, rushing out of the black mystery of space and straight toward our sun. At first, it is just a remote speck of light. Humanity watches in idle wonder as a magnificent new star illuminates the...

In this, the third book in “The Crash” trilogy, Children of The Crash, A New Humanity, we pick up where Book Two left off. The Family have done what they could to help the survivors of The Crash. And now, the children of The Crash show up with problems of their own. In the shadows of their mind travels, lurks the source of The Crash, an organization trying to control the survivors and reverse the successes of the Family. Can the children and the Family work together to defeat the nefarious forces attacking the last of humanity? How has The Crash affected children differently?

A cyberpunk novel from M. J. Kuhn. Logan's Run meets The Giver with a dash of Cyberpunk 2077. In New Avarita, every person is born with a purpose. Once fulfilled, they are eligible for Ascent, a peaceful passing and assumed rebirth on the next plane of existence, celebrated for having left their...

GOLD MEDAL WINNER FOR DYSTOPIAN SCI-FI in the 2025 GLOBAL BOOK AWARDS The year is 2098. Humanity is no more. Earth is a ravaged, radioactive wasteland. On Mars, a small group of synthetic humanoids survive—their memories of the apocalypse wiped, seeking to understand their role in the fall of...

History was never meant to be changed. The Custodians exist for one purpose: observe the past and protect the integrity of the timeline. Aboard the temporal vessel Eidolon Path, Dr. Lysandra Quill studies historical events across centuries —watching humanity’s past unfold exactly as recorded. Until she notices something impossible. Tiny discrepancies. A conversation lasting a few seconds longer. A decision made in a slightly different place. A pattern hidden in the data. And a symbol that appears every time history shifts.

Friday night in Shoreditch turns to police tape and panic in minutes. An attacker in a nightclub doesn’t bruise or beg —he bites. Sergeant Daniel Kerr, MO19 armed response, puts one round to the head and watches his partner rise again with blood in his eyes. The rules change on the floor of a bar.

I may have already met your grandchildren even if you don't have any yet. I'm 110 years into the future. But I wish I could come back, then I could prevent the fire that took my son’s life. But reverse time travel is impossible. I know, because I’ve wasted many years trying. At least, that’s what I used to think until I met a woman who came from the future and messed with my machine, sending me further through time than intended. Now I need to find her. She might have answers and she might have a way to save my son. I am Dr. Wayland, scientist, in year 2130.

A classic Hugo Award-winning science fiction adventure, Exploration Team by Murray Leinster follows a Colonial Survey officer, an unauthorized settler, and specially-bred Kodiak bears across the deadly alien world of Loren Two. Intelligent, suspenseful, and richly imaginative, this novelette is...

A vast chasm divides two species. But there is a bridge — and the bridge is a man. The Tolek and humanity were never meant to meet. Two civilizations built on opposite logic, facing the same impossible claim: Earth. To humanity, it is home. To the Tolek, it is the only acceptable solution. They fear each other, misread each other, and cannot see the universe the same way.

This audiobook is narrated by an AI Voice. Sealed inside a steel sphere no wider than a coffin, the explorer Elstead is lowered five miles down into the lightless deep – further than any living man has ever gone – to see what the ocean floor conceals. His colleagues on the surface expect...

His first step... could be his last. Colt is a maverick astronaut who accepts a daring mission to be the first person on Venus. After every other mission to Venus has failed, what could possibly go wrong? Pretty much everything, as it turns out.

On a toroidal station orbiting a black hole, ancient aliens keep watch over prisoners whose frozen minds could unravel dimensions and erase entire worlds. For billions of years, the Empyrean have slept—cosmic beings of thought and power, bound beyond time itself. But when a single fragment of their awareness breaches the void, the balance begins to shift. Eons later, in the Sol System's glittering sprawl, prodigy Guile Hagan sees what others cannot: auras of intent, patterns in the void, whispers of impossible forces moving beneath reality.

Humanity finally found a habitable world. Then they discovered what was buried beneath it. Geologist Mira Castellan’s survey reveals a rare-earth deposit capable of launching twelve future colonies across the stars. But extracting it will poison Threshold-1 within decades, destroying the very planet humanity hoped would become home. As political factions form and the colony fractures around competing visions of survival, Mira finds herself trapped between science and responsibility. Every report she submits changes how the future will be understood —and possibly which future survives.