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.

Grant Masterson is a man with nothing left to lose.... A disgraced ex-cop, framed by a crooked politician, abandoned by his family, he’s forced into the life of a bounty hunter just to survive. Tracking down a traitor who stole military-grade weapons to sell on the black market, Masterson finds out things aren’t as simple as the wanted poster made them seem. Because Delia Beckett isn’t a traitor, simply a patsy, and the forces manipulating her may be the same ones responsible for Masterson’s fall from grace.

Jack Bennet returns from the war to find the life he left behind has moved on without him. The only option he has to make ends meet lies in a military surplus junkyard starship. What’s a former Combat Search and Rescue soldier to do? Fix up the ship, hire the cheapest pilot—a notorious drunk—and take the first contract that comes up: collect a bounty on one of the most ruthless killers in the Pirate Worlds, a place crawling with thieves, cutthroats and con artists whose primary language is violence. Jack must abandon his nice guy persona, or exploit it, if he is to survive.

As a sci-fi author with a hit TV show, I have a few ideas about what alien invaders are supposed to look like. In my stories, they’re technologically advanced monsters, with tentacles, and no faces. Turns out I was right about the technology. And about how angry they’d be. But the way they look…that’s more terrifying than even I could have imagined. They look exactly like us. Because they are us.

For decades, The Year's Best Science Fiction has been the most widely read short science fiction anthology of its kind. Now, after 35 annual collections comes the ultimate in science fiction anthologies. In The Very Best of the Best, legendary editor Gardner Dozois selects the finest short stories for this landmark collection, including short fiction from authors such as Charles Stross, Michael Swanwick, Nancy Kress, Greg Egan, Stephen Baxter, Pat Cadigan, and any many more.

These 11 stories, including five Chinese Galaxy Award winners, are a blazingly original ode to planet Earth, its pasts, and its futures. Liu's fiction takes the listener to the edge of the universe and the end of time, to meet stranger fates than we could have ever imagined. With a melancholic and keen understanding of human nature, Liu's stories show humanity's attempts to reason, navigate, and above all, survive in a desolate cosmos.

Dennis E. Taylor, author of the best-selling Bobiverse trilogy, explores a whole different, darker world in this sci-fi stand-alone. Determined to give his wife and children a better life back home, Ivan Pritchard ventures to the edge of known space to join the crew of the Mad Astra as an asteroid miner. He's prepared for hard work and loneliness—but not the unthinkable. After coming into contact with a mysterious alien substance, Pritchard finds an unwelcome entity sharing his mind, and a disturbing physical transformation taking place.

Tackling some of humanity’s oldest questions along with new quandaries only he could imagine, these stories will change the way you think, feel, and see the world. They are Ted Chiang at his best: profound, sympathetic, revelatory. Ted Chiang tackles some of humanity’s oldest questions along with new quandaries only he could imagine.

Winner of the 1961 Hugo Award for Best Novel and widely considered one of the most accomplished, powerful, and enduring classics of modern speculative fiction, Walter M. Miller’s A Canticle for Leibowitz is a true landmark of 20th-century literature—a chilling and still-provocative look at a postapocalyptic future.

The urge to explore and discover is a natural and universal one, and the edge of the unknown is expanded with each passing year as scientific advancements inch us closer and closer to the outer reaches of our solar system and the galaxies beyond them. Generations of writers have explored these new frontiers and the endless possibilities they present in great detail. The Final Frontier delivers stories from across this literary spectrum, a reminder that the universe is far large and brimming with possibilities than we could ever imagine, as hard as we may try.

From early work like "Rescue Party" and "The Lion of Comarre", through classic stories including "The Star", "Earthlight", "The Nine Billion Names of God", and "The Sentinel" (kernel of the later novel and movie 2001: A Space Odyssey), all the way to later work like "A Meeting with Medusa" and "The Hammer of God", this comprehensive short story collection encapsulates one of the great science fiction careers of all time.

The world outside has grown toxic, the view of it limited, talk of it forbidden. The remnants of humanity live underground in a single silo. But there are always those who hope, who dream. These are the dangerous people, the residents who infect others with their optimism. Their punishment is simple. They are given the very thing they want: They are allowed to go outside.

With a cataclysmic climate crisis on the horizon, Colonel William Graves, head of the US Disaster Mitigation Corps, has been ordered on a bold and highly classified mission. Graves must help billionaire tech entrepreneur Anthony Taulke develop the Lazarus Protocol, a secret plan to geoengineer the Earth's atmosphere, and prevent disaster. Taulke's vision is to create a Manhattan Project for repairing the earth's air, and he quietly recruits four other family-owned conglomerates to take part in the project.

During a routine survey mission on an uncolonized planet, Kira finds an alien relic. At first she's delighted, but elation turns to terror when the ancient dust around her begins to move. As war erupts among the stars, Kira is launched into a galaxy-spanning odyssey of discovery and transformation. First contact isn't at all what she imagined, and events push her to the very limits of what it means to be human. While Kira faces her own horrors, Earth and its colonies stand upon the brink of annihilation. Now, Kira might be humanity's greatest and final hope....

The mission is simple. Escort an emissary to an intergalactic peace summit. Try not to get in the way. Lt. Magnus and his 79th Recon Team have certainly handled worse, after all. But when an explosion rocks the tower and sends everyone into a panic, Magnus and his asset find themselves cut off from the rest of the team. Worse still, a dying alien chieftain gives them a priceless drive of intel, marking them for death. The mission has officially changed. With enemies on all sides, Magnus must do everything in his power to protect the emissary and escape the tower.