Stoner knew. The fiery object hurtling toward the Earth was an alien spacecraft. But the world might never know. He was trapped in an iron cordon of secrecy, for the discovery had shattered the world power balance, setting off a brutal struggle for supremacy that raged from the sacred halls of the Vatican to the corridors of the Kremlin and the Pentagon. The forces of fear and treachery would use any weapon at their command, from mind war to sabotage, to keep the world in darkness.

When Kell and his team return to Earth many years after their departure, they find that their world has changed almost beyond recognition. Not only has a second wave of greenhouse flooding caused sea levels to rise, but society has been changed by the consequences of the climate shift. Few people want to face Jordan Kell's news. He must convince Earth's new rulers that the human race is in danger of extinction unless it acts to forestall the death wave coming from the galaxy's heart.

Here are tales of star-faring adventure, peril, and drama. Here are journeys into the mind-bending landscapes of virtual worlds and alternate realities. Here you'll also find stories of humanity's astounding future on Earth, on Mars, and in the solar system beyond - stories that always get the science right. And Bova's gathering of deeply realized, totally human characters are the heroic, brave, tricky, sometimes dastardly engineers, astronauts, corporate magnates, politicians, and scientists who will make these futures possible.

In a startling future that's coming closer every year, Chet Kinsman is an astronaut ace who has done everything one can in space - including commit the first murder. It's a secret he can never escape, not even on the moon, where he's head of the first U.S. lunar colony. A series of shocking yet strangely inevitable circumstances will force Kinsman to confront his hidden past and decide Earth's destiny. In a desperate countdown to nuclear annihilation, Kinsman will struggle against a deadly dilemma: if he rescues the world, he risks destroying himself.

Dr. Jake Ross, a university astronomer, wants nothing more than to teach a few classes each semester and continue his research. Instead, he finds himself aggressively recruited to be the science advisor to Frank Tomlinson, an ambitious politician with his eye on the US Senate. Tomlinson is in need of an edge that will allow him to defeat his opponent at the polls, and Dr. Ross can contribute just that: MHD. MHD, or magnetohydrodynamics, is a new innovation that will allow electricity to be generated efficiently and cheaply. But MHD is still in its infancy, and there are deadly risks.

Lauren didn’t ask to be a hero. But one night during the graveyard shift at Jodrell Bank, she captured an astonishing fast radio burst from an alien race. And just like that, the fate of the world was thrust into her hands. Now she’s put everything on the line to blow open the conspiracy of silence surrounding UFOs. She's on the run from MI5 and a secret organization determined to stop her. After a year of dead ends and a heart-breaking personal tragedy, she’s on the verge of being forced to abandon her personal crusade.

The time: 200 years after man's first landing on the Moon. There are permanent populations established on the Moon, Venus, and Mars. Outer space inhabitants have formed a new political entity, the Federation, and between the Federation and Earth a growing rivalry has developed. Earthlight is the story of this emerging conflict.

When John Bandicut sets out across the surface of Triton, he's hardly ready for the storm of chaos that's about to blow through his life. The alien Quarx that soon inhabits his mind is humanity's first contact with an alien life. The Quarx, part of an ancient galactic civilization that manipulates chaos theory to predict catastrophic events, seeks to prevent a cometary collision that could destroy the Earth. But it must have help. If Bandicut chooses to trust the Quarx, he must break all the rules - indeed, sacrifice his own life.

Mickey7 is an Expendable: a disposable employee on a human expedition sent to colonize the ice world Niflheim. Whenever there’s a mission that’s too dangerous—even suicidal—the crew turns to Mickey. After one iteration dies, a new body is regenerated with most of his memories intact. After six deaths, Mickey7 understands the terms of his deal…and why it was the only colonial position unfilled when he took it.

Prescient and scientifically accurate, Heart of the Comet is known as one of the great hard SF novels of the 1980s. First published in 1986, it tells the story of an ambitious manned mission to visit Halley's Comet, alter its orbit, and mine it for resources. But all too soon, native cells - that might once have brought life to Earth - begin colonizing the colonists. As factions battle over the comet's future - and that of Earth - only love, courage, and ingenuity can avert disaster and spark a new human destiny.

Jeff Dolan always wanted to be an astronaut. After helping a private space company build a ship that can travel to Saturn's largest moon in five months, he gets his chance. Shortly after launch, a devastating malfunction forces Jeff and the crew to make a choice: continue to Titan or go back home. As the truth about their mission unravels, one thing is clear: Someone on Earth knew about the system flaw and covered it up. Yet surviving the journey isn't the crew's only concern. Even if they make it to Titan, they will face another problem: Something is already there.

Here is the compelling story of the launching of Prometheus - Earth's first true spaceship - and of the men who made it happen. Dirk Alexson, chronicler of the greatest space adventure of all time: He was chosen to immortalize the incredible story of the men and their heroic mission. Sir Robert Derwent, Direct-General of Interplanetary-London Headquarters for the International Space-Flight Project: He was the man who got the mission off the ground and into the pages of history. Professor Maxton, the world's leading atomic engineer: He designed the huge ship's drive units....

A short story set in the universe of James S. A. Corey's NYT best-selling Expanse series. Now a Prime Original series. This story will be available in the complete Expanse story collection, Memory’s Legion.

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 and serious chills.

Experience Star Wars: A New Hope from a whole new point of view. On May 25, 1977, the world was introduced to Han Solo, Luke Skywalker, Princess Leia, C-3PO, R2-D2, Chewbacca, Obi-Wan Kenobi, Darth Vader, and a galaxy full of possibilities. In honor of the 40h anniversary, more than 40 contributors lend their vision to this retelling of Star Wars. Each of the 40 short stories reimagines a moment from the original film, but through the eyes of a supporting character.

The year is AD 2790. With space elevators and giant orbital fleets hovering over Earth, open war looks inevitable, and people are anxious to get away. The lines are drawn, with the Confederacy in the East and the First World Alliance in the West. In hopes of finding a refuge from the looming war, the Alliance is sending Captain Alexander de Leon to explore an Earth-type planet, code-named Wonderland, but at the last minute before launch, a Confederate fleet leaves orbit on a trajectory that threatens both the mission and Alliance sovereignty.

The U.S.S. Merrimack was the finest battleship class spaceship in Earth's fleet, able to stand up against the best the Palatine Empire could throw at them, even able to attack and kill swarms of the seemingly unstoppable Hive. But nothing could have prepared the captain and crew of the Merrimack to face the Myriad - three colonized worlds in the midst of a globular cluster that the Hive had somehow overlooked.

The Tantalus 13 survey expedition went off the rails as soon as Mary Ketch and the crew of the Diamelen learned that the thing beneath their feet wasn’t a planet. An impossibly vast and ancient artificial structure lies below, hidden from the universe under a façade of cratered stone. SCARAB arrived on Tantalus 13 two years ago. An artificially intelligent, self-constructing factory, it was supposed to aid the crew in their mission, to meet their every need.

When humanity reaches for the stars, our probes are destroyed. They crash into an incredibly advanced piece of technology: a massive force-field. Unknown beings have placed a barrier around our star and planets, enclosing us within. We’re locked inside a Great Sphere. Was this invisible obstacle built to imprison us - or to protect us? No one knows the truth, but it soon becomes clear the barrier has leaks. Aliens infiltrate and try to sabotage our efforts to escape our cage.

Death awaits the curious! Out along the rim of the galaxy hangs a loose configuration of some 60 stars known as the Faustian Chain. This whorl of sparkling suns is rich in planets and occupies an irregular volume of space some 20 light years in diameter. From an external viewpoint, the Chain presents a colorful display of plasma-streams, luminous nebulae and sparkling pinpoints of light.

Darius Drake is desperate to save his daughter, Cassandra. So desperate he's willing to risk their lives in cryo-sleep to give her a future. But the dark, freezing vault where he wakes up is nothing like the luxurious Florida hospital he remembers. Everything about this place is alien to him, even the language. Little does he know how alien it really is. Darius and his daughter go exploring their new surroundings with a few others from the cryo pods, and they soon discover frozen, mutilated bodies everywhere.

In AD 2600, the human race is finally beginning to realize its full potential. Hundreds of colonized planets scattered across the galaxy host a multitude of prosperous and wildly diverse cultures. Genetic engineering has pushed evolution far beyond nature's boundaries, defeating disease and producing extraordinary spaceborn creatures. Huge fleets of sentient trader starships thrive on the wealth created by the industrialization of entire star systems, and throughout inhabited space the Confederation Navy keeps the peace.

It’s survival of the fittest in a brutal war of extinction! Created in the gene labs as super soldiers, the Highborn decide to replace the obsolete Homo sapiens. They pirate the Doom Stars and capture the Sun Works Ring around Mercury. Now they rain asteroids, orbital fighters and nine-foot tall drop troops onto Earth in a relentless tide of conquest. Marten Kluge is on the receiving end. Hounded by Thought Police, he lives like an ant in a kilometer-deep city.

Author of The Chronicles of Thomas Covenant, one of the most acclaimed fantasy series of all time, master storyteller Stephen R. Donaldson returns with this exciting and long-awaited new series that takes us into a stunningly imagined future to tell a timeless story of adventure and the implacable conflict of good and evil within each of us.

They tried to destroy our planets. Our way of life. They tried to send us into extinction. But we, the Coalition, fought them and won. That was a decade ago. They’re known as the Host: a cabal of aliens seeking to dominate our sector of space. And they’re back - with help from a powerful new enemy. We’re outnumbered and unprepared. But there is hope. An ancient race of long-dead but technologically advanced aliens called the Navigators have a ship called the Blackstar that could potentially turn the tide. That is if I, Kai Locke, a humble ship racer, can find it and learn how to harness its power in time.

After decades hunting wanted offworlders throughout the solar system, Corporate Bounty Hunter Malcolm Graves doesn't bother asking questions. So long as the pay is right, he's the man for the job. And he always works alone. But when a high-profile bombing on Earth has Pervenio Corp clamoring for answers, they force him to team up with a strange, cyber-augmented partner. A young man more interested in statistics than instinct. Their assignment: Track down a suspected group of extremists from Titan who will go to any length to free their moon from the grip of Earth's corporations.

Under the benevolent leadership of the League of Peoples, there is no war, little crime, and life is sacred...unless you're an Explorer. The ugly, the flawed, the misfit, the deformed, they are the unwanted, flung to the farthest corners of the galaxy to investigate hostile planets and strange, vicious creatures. Out there, there are a thousand different - and terrible - ways to die.

The award-winning, bestselling author's first novel. The beamjacks work in zero-gravity constructing satellites in the vacuum of deepest space. And they're not going to let the military control them anymore.

Humankind has escaped a dying Earth and set out to find a new home among the stars aboard an immense generation ship affectionately named the Ark. Bryan Benson is the Ark's greatest living sports hero, enjoying retirement working as a detective in Avalon, his home module. The hours are good, the work is easy, and the perks can't be beat. But when a crew member goes missing, Bryan is thrust into the center of an ever-expanding web of deception, secrets, and violence.

Geoff and his friends live in Phocaea, a distant asteroid colony on the Solar System's frontier. They're your basic high-spirited young adults, enjoying such pastimes as hacking matter compilers to produce dancing skeletons that prance through the low-gee communal areas, using their rocket-bikes to salvage methane ice shrapnel that flies away when the colony brings in a big (and vital) rock of the stuff, and figuring out how to avoid the ubiquitous surveillance motes.

Stoner knew. The fiery object hurtling toward the Earth was an alien spacecraft. But the world might never know. He was trapped in an iron cordon of secrecy, for the discovery had shattered the world power balance, setting off a brutal struggle for supremacy that raged from the sacred halls of the Vatican to the corridors of the Kremlin and the Pentagon. The forces of fear and treachery would use any weapon at their command, from mind war to sabotage, to keep the world in darkness.

Two hundred thousand feet up, things go horribly wrong. An experimental low-orbit spaceplane breaks up on reentry, falling to earth over a trail hundreds of miles long. And in its wake is the beginning of the most important mission in the history of spaceflight.

Once, Dan Randolph was one of the richest men on Earth. Now the planet is spiraling into environmental disaster, with floods and earthquakes destroying the lives of millions. Martin Humphries, fabulously wealthy heir of the Humphries Trust, also knows that space-based industry is the way of the future. But unlike Randolph, he does not care if Earth perishes in the process.

In a startling future that's coming closer every year, Chet Kinsman is an astronaut ace who has done everything one can in space - including commit the first murder. It's a secret he can never escape, not even on the moon, where he's head of the first U.S. lunar colony. A series of shocking yet strangely inevitable circumstances will force Kinsman to confront his hidden past and decide Earth's destiny. In a desperate countdown to nuclear annihilation, Kinsman will struggle against a deadly dilemma: if he rescues the world, he risks destroying himself.

A hero without peer or scruples, Sam Gunn has a nose for trouble, money, and women, though not necessarily in that order. A man with the ego (and stature) of a Napoleon, the business acumen of a P. T. Barnum, and the raging hormones of a teenage boy, Sam is the finest astronaut NASA ever trained and dumped. But more than money, more than women, Sam Gunn loves justice—and he really does love money and women.