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 disposal, Sylveste forges a dangerous alliance with the cyborg crew of the starship Nostalgia for Infinity. But as he closes in on the secret, a killer closes in on him because the Amarantin were destroyed for a reason.

2057. Humanity has raised exploiting the solar system to an art form. Bella Lind and the crew of her nuclear-powered ship, the Rockhopper, push ice. They mine comets. And they're good at it. The Rockhopper is nearing the end of its current mission cycle, and everyone is desperate for some much-needed R & R, when startling news arrives from Saturn: Janus, one of Saturn's ice moons, has inexplicably left its natural orbit and is now heading out of the solar system at high speed.

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.

Six million years ago, at the very dawn of the starfaring era, Abigail Gentian fractured herself into a thousand male and female clones: the shatterlings. Sent out into the galaxy, these shatterlings have stood aloof as they document the rise and fall of countless human empires. They meet every 200,000 years to exchange news and memories of their travels with their siblings.

Geophysicist Jack Greer believes he may finally have found the resting place of the meteorite that wiped out the dinosaurs 65 million years ago. A few miles off the Yucatán coast, Jack and a team of scientists tow an aging drilling platform over the impact crater with the aim of securing a sample. But buried deep beneath the earth lies a shocking discovery that threatens to shatter everything we think we know about our species.

On December 21st, 2012, the world was supposed to end. When the apocalyptic date came and went, the world concluded the Mayan prophecy was a myth. But it was not. The Earth was saved by extraordinary intervention from planet Akara — home to an awakened civilization far more evolved than our own.

For centuries, mankind has searched for nonhuman civilizations in the cosmos. These lost alien societies have finally been discovered—but they were destroyed long ago. Devin Starn starts off as a lowly rock rat aboard Borag, a mining ship working the dangerous end of the asteroid belt. Slowly, he gains prestige and purpose. When an alien base is uncovered, however, he must risk everything to protect his ship and her crew. What wiped out all the civilizations that came before humanity?

In the 23rd century, pioneers have escaped the crowded earth for life in self-sustaining orbital colonies. One of the colonies, Rotor, has broken away from the solar system to create its own renegade utopia around an unknown red star two light-years from Earth: a star named Nemesis. Now a 15-year-old Rotorian girl has learned of the dire threat that nemesis poses to Earth’s people - but she is prevented from warning them. Soon, she will realize that Nemesis endangers Rotor as well.

Jon Ryan was supposed to be dead. He wanted to be dead. But Jon wakes up in the far future with an alien burrowing in his chest for salvage. Someone was going to pay for this. Check that. Lots of people were going to pay for this. Jon was the first astronaut to download to an android host to find the population of doomed Earth a new home. But that was so long time ago. He is now literally lost in time.

In 2108, Colony Ship Voyager departed Earth for the planet of Promissa with 18,000 of the world’s best and brightest on board. 250 years and 27 light years later, an arrival is imminent. But all is not well. The probes that they’ve sent ahead to gather the data needed to establish any kind of settlement aren’t responding, and the information they have received has presented more questions than answers. It’s a time when the entire crew should be coming together to solve the problem, but science officer Sheila Jackson can’t get people to listen.

It’s 2788 and only the "handicapped" live on Earth. Eighteen-year-old Jarra is among the one in a thousand people born with an immune system that cannot survive on other planets. Sent to Earth at birth to save her life, she has been abandoned by her parents. She can't travel to other worlds, but she can watch their vids, and she knows all the jokes they make. She's an ape, a throwback, but this is one ape girl who won't give in.

Rico has a problem. The experimental program that gave him the high intelligence and lightning reflexes he needs as a hit man for a galactic crime syndicate left him incapable of internalizing moral imperatives the rest of us take for granted. It takes real effort for him to pass as a normal human being and he avoids it whenever he can. But he has a job he loves, a fast ship, and plenty of cash. So life is good.

Harry Rogers and Jess Cook stumbled into the technological remnants of an alien presence on Earth. Now everyone wants to take it from them. With both the government and a ruthless criminal family hot on their trail, they can’t afford even one mistake. If they win, they get a ticket to the stars. If they fail, they get an unmarked grave.

A formidable alien armada stands on the brink of vanquishing the cosmos, their gaze set firmly on every inhabited world. The last line of defense? An eclectic crew of improbable champions: a maverick starfighter pilot, a daredevil stuntwoman, a lethal super-assassin, and a cosmic prankster with alien tricks up his sleeves. Their mission is to shield not just humanity, but billions of other intelligent lifeforms spanning the multiverse.

The West has been devastated by epidemics, bio-terrorism, war, and famine. Asia has shut its borders to keep the threats at bay, and some with power and influence have already abandoned Earth. Now an escape route a century in the making - the Nomad mission - finally offers hope to a small town and a secret research centre hidden in a rural American backwater. Shrouded in lies and concealed even from the research centre's staff, Nomad is about to fulfil its long-dead founder's vision of preserving the best of humanity to forge a new future. But who decides who's worthy?

The West has been devastated by epidemics, bio-terrorism, war, and famine. Asia has shut its borders to keep the threats at bay, and some with power and influence have already abandoned Earth. Now an escape route a century in the making - the Nomad mission - finally offers hope to a small town and a secret research centre hidden in a rural American backwater. Shrouded in lies and concealed even from the research centre's staff, Nomad is about to fulfil its long-dead founder's vision of preserving the best of humanity to forge a new future. But who decides who's worthy?

Dr. Kelly Connolly is part of a top-secret team studying the most important find in human history - the Enigma Cube, an alien artifact of incomprehensible power. A cube whose technology can catapult civilization to dizzying heights - or destroy it entirely. After years of failed attempts to unlock the cube's secrets, all hell suddenly breaks loose. Kelly and a black-ops commando, Justin Boyd, are soon fighting against all odds to stay alive, and to keep the cube out of enemy hands.

LA detective Anna Abbott can see brief, cryptic visions of the future. She just doesn't know it yet. But others do. Others who will stop at nothing to ensure that her abilities never see the light of day. Soon Anna is fighting for her life against an array of powerful adversaries, and not all of them are human. Because a small group of aliens hiding on Earth believe that she can single-handedly alter the course of an interstellar war. One that has raged for thousands of years, but which is completely unknown to humankind. Until now.

"Triplanetary" is a science fiction novel by E. E. Smith. The novel covers several episodes in an eons-long human breeding project by the super-intelligences of the Arisians. This alien race is breeding two genetic lines to become the ultimate weapon in Arisia's cosmic war with their archenemies, the Eddorians. The story cover the Kinnison genetic line during the fall of Atlantis, Nero's reign in Rome, World Wars One, Two, and Three.

Any kind of death annuls everything except his present knowledge and returns him to the past. This is a good way to test all sorts of things. That is, it would be, if not for one little thing.... This loop has real lords and it's unlikely that they'll be happy to hear about an uninvited guest. And that isn't his only problem - all of his memories of the last year have simply disappeared, but the world around him has changed in the meantime.

War heroes aren't usually called out of semi-retirement and sent to the far reaches of the galaxy for a routine investigation. So when Colonel Carl Butler answers the call from an old and powerful friend, he knows it's something big - and he's not being told the whole story. A high councilor's son has gone MIA out of Cappa Base, the space station orbiting a battle-ravaged planet. The young lieutenant had been wounded and evacuated - but there's no record of him having ever arrived at hospital command.

It’s 2788 and only the "handicapped" live on Earth. Eighteen-year-old Jarra is among the one in a thousand people born with an immune system that cannot survive on other planets. Sent to Earth at birth to save her life, she has been abandoned by her parents. She can't travel to other worlds, but she can watch their vids, and she knows all the jokes they make. She's an ape, a throwback, but this is one ape girl who won't give in.

Doctor Benjamin Schröder was far from a man of action. In fact, he was a history teacher - chairman of the Castle Rock University history department - and if his life wasn't perfect, it was close. Until, that is the discussion of his star student Elzbietá Abramowski's dissertation on Operation Oz, the Pacific Allies' invasion of Vladivostok, was brutally interrupted. The psychotic episode that turned his entire world upside down struck with absolutely no warning, and it was more terrifying than anything he should have been able to imagine.

Not Alone: First Encounter is a prequel to the globally acclaimed Not Alone series, set several years before two worlds collide under the weight of the grandest conspiracy of all time. For the first time ever, First Encounter lifts the curtain on a deadly series of events surrounding the initial meeting between the ruthless Richard Walker - untouchable head of the controversial Interspace Defense Agency - and a young truth-seeker from Birchwood, Colorado....

A thousand years ago, an alien invasion set humanity back to the Iron Age. Slowly, we recovered, colonizing the Solar System in peace. And discovered that an unknown force is stopping us from exploring any farther. But before the cause can be discovered, a slow-burning conspiracy threatens to explode into System-wide war. With enemies at home and in the darkness beyond, a team of unlikely heroes-a janitor, a mercenary, an asteroid miner, and a pirate-are the only ones who can avert a second apocalypse. This set includes the first three books of the newly-finished REBEL STARS series.

Late in the 21st century, Earth receives what looks like an urgent plea for help from planet Proxima Centauri b in the closest star system to the Sun. Astrophysicists suspect a massive solar flare is about to destroy this heretofore-unknown civilization. Earth's space programs are unequipped to help, but an unscrupulous Russian billionaire launches a secret and highly-specialized spaceship to Proxima b, over four light-years away.

A world with no hunger, no disease, no war, no misery: Humanity has conquered all those things and has even conquered death. Now Scythes are the only ones who can end life - and they are commanded to do so in order to keep the size of the population under control. Citra and Rowan are chosen to apprentice to a scythe - a role that neither wants. These teens must master the "art" of taking life, knowing that the consequence of failure could mean losing their own.

From birth to death, The War is all the citizens of Dystance know. As children it is drilled into their heads that war is the purpose behind all existence. Winter doesn't agree. She's stumbled across remnants of life the way it was before The War began, and now she longs to be as free as her ancestors. With help from her best friend Cedar and the boy she is forbidden to love, Tallow. She believes she can do it. Winter can see a life beyond the Pickets, beyond the constant hunger and the threat of death, beyond the war machine.

Rico has a problem. The experimental program that gave him the high intelligence and lightning reflexes he needs as a hit man for a galactic crime syndicate left him incapable of internalizing moral imperatives the rest of us take for granted. It takes real effort for him to pass as a normal human being and he avoids it whenever he can. But he has a job he loves, a fast ship, and plenty of cash. So life is good.

Aliens are spying on Earth from one of the four worlds that make up the Warden Diamond. But it is impossible to send agents to any of the four worlds because of unique microscopic symbionts that make it impossible for visitors to leave the Diamond. Seeking a unique solution, each of the four worlds making up the Diamond is sent a person whose mind has been stripped of everything and who is now controlled by an agent of the Confederacy. Lilith is the first planet to be visited.