How can a colony on Mars survive when the greatest danger on the planet is humanity itself? All contact is lost with the first privately funded colony on Mars during a long and destructive sandstorm. Satellite imagery of the aftermath shows extensive damage to the facility. The 54 colonists who called it home are presumed dead.

Commander Scott McNabb and the crew of the science vessel, Hermes, are three years into a five-year-long survey of the asteroid belt when they discover a derelict spaceship in orbit around a binary asteroid. The ship contains an experimental quantum device, lost while en route to a research colony on Europa.

Carpenter Lowell is a disgraced Marine assigned to a remote US research station on Saturn's moon Enceladus, where scientists have made an extraordinary discovery in the ocean below. A special forces team, led by Lowell’s murderous former commanding officer, shows up to investigate. Almost immediately, everything begins to unravel. Something beneath the surface has been activated.

The war against the AI was won but a new threat is rising. Hank Spears is content with his life as a scrapper until he unearths an artificial intelligence who warns him of a grave threat to all life in the universe. Since AI has long been outlawed and anyone caught harboring one is imprisoned or executed, the two must go on the run, fleeing into the far reaches of space. They must avoid capture, all for the sake of those who would imprison them. Looking for help from old friends to fight new enemies, Hank must find a way to save himself so that he can save the universe.

In the year 2031, a robot probe detects traces of biological activity on Enceladus, one of Saturn's moons. This sensational discovery shows that there is indeed evidence of extraterrestrial life. Fifteen years later, a hurriedly built spacecraft sets out on the long journey to the ringed planet and its moon. The international crew is not just facing a difficult twenty-seven months: if the spacecraft manages to make it to Enceladus without incident it must use a drillship to penetrate the kilometer-thick sheet of ice that entombs the moon.

In 2018, Canadian archaeologist Ron Jackson makes a mind-boggling discovery in Antarctica - right before disappearing without a trace, leaving behind only his controversial theory that humans have lived on Earth far, far longer than we think they have. Decades later, in 2042, when Jackson's wife dies under mysterious circumstances, an unlikely pair of investigators, Agatha Devenworth and Pano Hofer, begin investigating whether her death might be connected to Jackson's disappearance.

Drake, a retired police detective, receives a call in the dead of night from an alien-obsessed podcaster. He hastily departs for Montana the following morning. The phenomenon continues all over the globe. What are they? What do they mean? Britt is on assignment for a digital magazine when she encounters one of the Glass in a tragic boating accident, leaving her no choice but to follow the lead. Panic ensues as mysterious creatures are sighted.

America is under attack. Thousands lie dead after simultaneous strikes across the country. The day will come to be known as Bloody Monday. Jason Trapp, codename ‘Hangman’, was a covert operative whose feats became the stuff of legend. He was the tip of the spear—the man his country unleashed when all hope was lost. Six months ago, someone sold him out. The Agency listed him as killed in action. He lost everything—and everyone—he held dear. But Trapp’s not that easy to kill.

Weaving back through time, the secret society of eccentric anachronists ensures the best possible future for humanity, making subtle adjustments to the past—saving us from oblivion. Every alteration is carefully calculated, and nothing is left to chance. Until the day Joshua Jones, a teenage thief, breaks into one of their station houses and finds himself transported back to 1944—where he accidentally changes the outcome of WW2.

When a raid on an insurgent safehouse reveals a clue to decoding the world's most mysterious manuscript—and possibly a recipe for creating the ultimate weapon of mass destruction—Delta operator Jack Sigler must forge a new black ops team to avert catastrophe, a team of deadly warriors with dangerous secrets—the Chess Team.

Can you outrun the past? Can you outlive the future? One time traveler must find out. Accidental time traveler Ben Travers is thrown into a multiverse of adventure in this action-adventure through past and future. This compilation includes: In Times Like These, The Chronothon, The Day After Never, and The Warp Clock. Now you can get them in one volume! All the adventure at a fraction of the price. Start your time travel adventure today, because yesterday may be too late!

A girl named Rose is riding her new bike near her home in Deadwood, South Dakota, when she falls through the earth. She wakes up at the bottom of a square hole, its walls glowing with intricate carvings. But the firemen who come to save her peer down upon something even stranger: a little girl in the palm of a giant metal hand.

A secret branch of the U.S. government has found pyramids on Callisto, a Jupiter moon. They are etched with ancient hieroglyphs that no one can understand - no one but archaeologist Kaden Jaxx. What's more, the pyramids are giving off energy. Lots of energy. Enough to power half of the United States. But Jaxx discovers his Black Ops bosses are hiding an Earth-shattering truth - an ancient civilization may still be on that moon. And a secret launch to that moon is imminent.

The future is here...in an adventure of cosmic dimension. In December, 1999, a multinational team journeys out to the stars, to the most awesome encounter in human history. Who - or what - is out there? In Cosmos, Carl Sagan explained the universe. In Contact, he predicts its future - and our own.

When a killer comet hurtles toward Earth, 18-year-old Joanna Murphy is selected to wait out the apocalypse in an underground bunker. She enters cryosleep with her close-knit team, preparing to resettle the planet after the atmosphere clears in 200 years. Joanna is the only one who wakes up. Faced with a bunker full of bones and a blocked exit, Joanna must claw her way to the surface, figure out what happened to her team, and try not to panic - or die. That’s going to be tricky if she’s the only person left in the world.

Ryland Grace is the sole survivor on a desperate, last-chance mission - and if he fails, humanity and the Earth itself will perish. Except that right now, he doesn't know that. He can't even remember his own name, let alone the nature of his assignment or how to complete it. All he knows is that he's been asleep for a very, very long time. And he's just been awakened to find himself millions of miles from home, with nothing but two corpses for company.

Compiled by intrepid journalist Neve Pride, this archive of recordings spans the months after dragons emerged on earth, chronicling the communities that sprang up amid the destruction, the scientists, military leaders, and experts searching for a defense, and those steadfastly seeking the missing. Neve and her young daughter Bex travel among the wreckage speaking to those left behind and surviving, against all odds. Neve records everything for history, and in the hopes of locating a clue as to where the dragons came from and how one might stop them.

Annie has always had high hopes for her future. But the reality of her life just isn’t measuring up. She loves her fiancé, Greg–doesn’t she? She’s going to get her degree and open her own business–won’t she? Then, a strange old woman shows up outside her house, and she seems to know a lot about Annie. An awful lot. Annie could tell the old woman to get lost. Yet there’s something about her Annie just can’t shake. And what she learns could change her life forever–but is it the life she envisioned?

For some it’s an opportunity. For others it’s a moment to question their faith: In God, in science, in everything. Still others try to keep the world running in the face of absurdity and uncertainty. And then there are the billions looking to the sky and wondering how a thing that was always just there is now... something absolutely impossible.

Six days ago, astronaut Mark Watney became one of the first people to walk on Mars. Now, he's sure he'll be the first person to die there. After a dust storm nearly kills him and forces his crew to evacuate while thinking him dead, Mark finds himself stranded and completely alone with no way to even signal Earth that he’s alive - and even if he could get word out, his supplies would be gone long before a rescue could arrive. But Mark isn't ready to give up yet.

How can a colony on Mars survive when the greatest danger on the planet is humanity itself? All contact is lost with the first privately funded colony on Mars during a long and destructive sandstorm. Satellite imagery of the aftermath shows extensive damage to the facility. The 54 colonists who called it home are presumed dead.

Commander Scott McNabb and the crew of the science vessel, Hermes, are three years into a five-year-long survey of the asteroid belt when they discover a derelict spaceship in orbit around a binary asteroid. The ship contains an experimental quantum device, lost while en route to a research colony on Europa.

Rapid colonization of the moon is pushing both national space agencies and powerful corporations to negotiate a New Lunar Accord in an effort to prevent escalating conflicts over valuable resources and territory. But hope that this treaty will bring stability to the nascent lunar civilization is suddenly dashed when a high-energy solar storm causes a cascade of destruction to the vast satellite constellations that orbit Earth. Now it’s only a matter of weeks before the ever-increasing debris cloud makes travel back to the home planet impossible.

NASA finally made it. The very first human has just set foot on the surface of our neighbor planet. This is the start of a long research expedition that sent four scientists into space. But the four astronauts of the NASA crew are not the only ones with this destination. The privately financed "Mars for Everyone" initiative has also targeted the Red Planet. Twenty men and women have been selected to live there and establish the first extraterrestrial settlement.

The year is 2164. Humanity has slipped the surly bonds of its golden sun, and prospers as it finds a way across the stars. A new era of exploration dawns, its citizens asking the question eagerly: “Is there anyone out there?” Now, the answer comes suddenly and violently, a surprise attack on a peaceful colony. Deadly conflict, long forgotten by the governments of Man, makes itself known once more. New enemies emerge from the void: children of war, heirs to its terror and splendor. But this foe too has questions to answer, faced as it is with a civilization previously unimagined.

Ben Hutchins buried his anger to survive. Stranded on a ravaged Earth after a devastating alien annihilation, the haunted young man has nothing except his late father’s cutting-edge exo-suit and a veteran soldier for company. But when he uncovers the truth about his armored prototype, he unwittingly paints a target on his back for those who seek humanity’s destruction.

Tahoma - the Native tribal name for Mt. Rainier - wakes up after a devastating 9.0 earthquake shatters the Pacific Northwest. Entire counties are covered in mud, rock, and earth. Landslides and tsunamis add to the annihilation. Power and internet are knocked out to the entire American West. Hundreds of thousands die on the first day of the New World.

Tristan has known that he and his family were going to be on the first mission to colonize Mars since he was 12 years old, and he has been training ever since. But knowing that he would be leaving for Mars with no plan to return didn't stop him from falling in love with Izzy. Now, at age 16, it's time to leave Earth, and he's forced to face what he must leave behind in exchange for an uncertain future. Then the news hits that another ship is already headed to colonize Mars, and the Neo-Luddite terrorist group begins threatening the Mars One project.

Carpenter Lowell is a disgraced Marine assigned to a remote US research station on Saturn's moon Enceladus, where scientists have made an extraordinary discovery in the ocean below. A special forces team, led by Lowell’s murderous former commanding officer, shows up to investigate. Almost immediately, everything begins to unravel. Something beneath the surface has been activated.

Since being dishonorably discharged from the Star Corps, pilot John MacAlister has struggled to make ends meet with less-than-legal cargo runs across the cosmos. He’s desperate to get his life back, but every time John thinks he’s found that “one last job,” some new disaster lands him back at square one.

The super solar storm wasn’t supposed to hit Earth - the odds were against it. And yet it did, and everything changed. The storm causes a global blackout. Society begins to come apart as the planes begin falling from the sky and all traces of normal vanish. Scott Montgomery watches helplessly as pandemonium consumes the world around him. But the loss of electrical power is just the first of the problems facing the survivors in the chaos that follows.

In the not-too-distant future, a devastating global attack takes place, and planet Earth is on the brink of extinction. Master Sergeant Joe Kovach has been through personal hell. As he struggles to adapt to his new enhancements, and as battles escalate, so does his determination to uncover the group who triggered this brutal extinction event that has left the planet overrun by mechanical and genetic horrors.

The ice is coming. It was the last thing we expected, but the world is freezing. A new ice age has dawned. Billions have fled the glaciers. A cataclysmic war is coming. In orbit, a group of scientists are running the Winter Experiments, a last-ditch attempt to understand why the planet is cooling. None of the climate models they build make sense. But then they discover an anomaly, an unexplained variation in solar radiation...and something else. Close to the burning edge of the sun, they catch a fleeting glimpse of something that shouldn’t be there....

In this Hugo Award-winning classic, Enoch Wallace is an ageless hermit, striding across his untended farm as he had done for over a century, still carrying the gun with which he had served in the Civil War. But what his neighbors must never know is that, inside his unchanging house, he meets with a host of unimaginable friends from the farthest stars.

Mitch's mediocre life has just taken a turn for the worse, so his buddy tries to cheer him up by showing him a secret starship. Unfortunately, everything goes south when hostile aliens arrive. In an effort to save his buddy and the starship from the aliens, Mitch does the obvious thing: he accidentally warps hundreds of light-years away. Marooned in a distant star cluster, Mitch is forced to deal with a snarky teenage AI, a rogue auto-pilot, and a beautiful alien soldier who's ready to steal his ship at any moment—so she can fight an oppressive military faction, of course.