A new place is being built, a world of huge dimensions, encompassing millions of miles, stronger than any planet before it. There is gravity, and with high walls and its proximity to the sun, a livable new planet that is three million times the...
The gigantic comet had slammed into Earth, forging earthquakes a thousand times too powerful to measure on the Richter scale, tidal waves thousands of feet high. Cities were turned into oceans; oceans turned into steam. It was the beginning of a...
The colonists from Earth have spent a century in cold sleep to make the first journey, one way, to settle a planet in another solar system. Avalon seems perfect, a verdant, livable world still in its prehistoric age. The biologists and engineers who...
Jaybee Corbell awoke after more than 200 years as a corpsicle -- in someone else's body, and under sentence of instant annihilation if he made a wrong move while they were training him for a one-way mission to the stars.But Corbell picked his time...
Wide and smooth, the Road was seared into planet Destiny's rocky surface by the fusion drive of the powered landing craft,Cavorite. The Cavorite deserted the original interstellar colonists, stranding them without hope of contacting Earth.Now,...
A new generation is growing up on the island paradise of Camelot, ignorant of the Great Grendel Wars fought when their parents and grandparents first arrived from Earth. Setting out for the mainland, this group of young rebels feels ready to fight...
A solitary mountain rises from the searing, toxic blackness of the planet. The organ banks are the centre of this world. To them the subservient colonists contribute living limbs, and from them the overlords obtain the vital parts that keep them...
Hugo Best Short Story winner (1967).
Asimov Comments on Neutron Star
For the last dozen years or so, what we might call “hard science fiction” has receded somewhat into the background. By hard...
Phssthpok the Pak had been traveling for most of his thirty-two thousand years. His mission: save, develop, and protect the group of Pak breeders sent out into space some two and a half million years before…Brennan was a Belter, the...