An unabridged collection spotlighting the best hard science fiction stories and novellas published in 2021 by current and emerging masters of the genre, edited by Allan Kaster.- and “Light Up the Clouds and ” by Greg Egan – Inhabitants in the floating forests of a gas giant that orbits a dwarf star launch a glider on an orbital trajectory to investigate unnatural asteroid-like objects that threaten their survival.- and “Striding the Blast and ” by Gregory Feeley – As a form of punishment, a thief is forced by posthumans to race on a set of wings across a cloud-covered Mercury.- and “Little Animals and ” by Nancy Kress – Using entangled quantum effects, a researcher goes back in time and unexpectedly becomes immersed in the life of the daughter of Antonj van Leeuwenhoek.- and “Flowers Like Needles and ” by Derek Kunsken – A metallic crablike creature living on a planet orbiting a pulsar confronts other warriors in its quest for wisdom.- and “The Planetbreaker’s Son and ” by Nick Mamatas – Interstellar posthuman emigrants, on a starship the size of a football stadium, grapple with vessel maintenance and family preservation while destroying worlds.- and “Paley’s Watch and ” by Anil Menon – Fishermen find a peculiar artifact in the Gulf of Alaska that is older than Earth and models the structure of the universe.- and “The Metric and ” by David Moles – A billion-year-old ship delivers a message to a far-future Earth that could mean the destruction of space and time.- and “Ano Nuevo and ” by Ray Nayler – Listless aliens, resembling oversized plastic garbage bags, suddenly disappear thirty years after arriving on a California beachfront.- and “Vaccine Season and ” by Hannu Rajaniemi – A boy ventures out to an island to inoculate his secluded grandfather with a transmissible vaccine in a post-pandemic.- and “Submergence and ” by Arula Ratnakar – An investigator uncovers the exploitation of an unusual marine sponge while optogenetically accessing the memories of a scientist who died unexpectedly.- and “Aptitude and ” by Cooper Shrivastava – A woman from a slowly dying universe finds herself having to take a rigorous standardized exam after cheating her way into the selection process to become a universe builder.- and “The Egg Collectors and ” by Lavie Tidhar – Two wild ballooners, forced to land during an ice storm, discover humming black eggs melting into the ice of Titan’s Ligeia Mare.

The Year’s Top Hard Science Fiction Stories 6 PDF

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