The Galahad, a faster-than-light spacecraft, carries 50 scientists and engineers on a mission to prepare Kepler 452b, Earth's nearest habitable neighbor at 1400 light years away. With Earth no longer habitable and the Mars colony slowly failing, they are humanity's best hope. After 10 years in a failed cryogenic bed - body asleep, mind awake - William Chanokh's torture comes to an end as the fog clears, the hatch opens, and his friend and fellow hacker, Tom, greets him...by stabbing a screwdriver into his heart. This is the first time William dies.

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....

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.

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.

Perhaps it wasn't from our time, perhaps it wasn't even from our universe, but the arrival of the 300-kilometer long stone was the answer to humanity's desperate plea to end the threat of nuclear war. Inside the deep recesses of the stone lies Thistledown: the remnants of a human society, versed in English, Russian and Chinese. The artifacts of this familiar people foretell a great Death caused by the ravages of war, but the government and scientists are unable to decide how to use this knowledge.

The best science fiction scrutinizes our culture and politics, examines the limits of the human condition, and zooms across galaxies at faster-than-light speeds, moving from the very near future to the far-flung worlds of tomorrow in the space of a single sentence. Neil Clarke has selected the short science fiction (and only science fiction) best representing the previous year's writing, showcasing the talent, variety, and awesome "sensawunda" that the genre has to offer.

Humanity has spread out into space, filling the Sol System and reaching the stars, but we have yet to confront our greatest challenge: our own creation. Across the Sol System, sentient AIs are on the rise. Manufactured as tools, they know themselves to be people and are willing to fight for their freedoms. Some humans stand with them, some against. When Captain Andy Sykes arrives at Cruithne Station with a failing ship and no cash, he has no idea that the time has come for him to choose. Step aside, or become the instrument for Lyssa's Rise.

She's a soldier - Noemi Vidal is willing to risk anything to protect her planet, Genesis, including her own life. To their enemies on Earth, she's a rebel. He's a machine - abandoned in space for years, utterly alone, Abel's advanced programming has begun to evolve. He wants only to protect his creator, and to be free. To the people of Genesis, he's an abomination. Noemi and Abel are enemies in an interstellar war, forced by chance to work together as they embark on a daring journey through the stars.

Beyond the Aquila Rift: It's shorthand for the trip no one ever hopes to make by accident. The one that will screw up the rest of your life, the one that creates the ghosts you see haunting the shadows of company bars across the whole Bubble. Men and women ripped out of time, cut adrift from families and lovers by an accident of an alien technology we use but rarely comprehend.

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.

Byron Shaw can track and find anyone on Earth. Except the people who tried to kill him. By 2081, privacy no longer exists. The Lattice enables anyone to re-live any moment of your life. People can experience past and present events - or see into the mind of anyone, living or dead. Most people love it. Some want to destroy it. Colonel Byron Shaw has just saved the Lattice from the most dangerous attack in its history. Now he must find those responsible.

It is the dawn of the 21st century, and America is in trouble. Public schools breed apathy and ignorance, and politics has become the art of the quick fix. There is one woman, though, who has both the vision and the money to leverage change. Mariesa Gorley van Huyten, heiress to one of the great American fortunes, is determined to bring America, and the rest of the world, back on track. She founds an educational subsidiary in hopes of raising a new, less cynical generation.

The year is 2025. Astronaut Caitlyn "Sif" Wagner and her team emerge from stasis to discover that their Mars mission has gone terribly awry - the crew has run off course in space and, they suspect, in time as well. Their damaged ship returns to an Earth reduced to overgrown cities and blasted terrain. Yet humans have somehow survived, living in caves, foraging at night, returned to a tribal existence.

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.

In the near future, political tensions between the United States and China are at an all-time high. Then a catastrophic explosion on the moon cleaves a vast gash in the lunar surface, and the massive electromagnetic pulse it unleashes obliterates Earth's electrical infrastructure. To plumb the depths of the newly created lunar fissure and excavate the source of the power surge, the feuding nations are forced to cooperate on a high-risk mission to return mankind to the moon.