A novel featuring an Earth without a moon
2463
Story ID - Humans of various epochs are transported to a world
12720
Short Sci-fi story about a sentient planet/creature that exists to seed the universe with life
68150
Looking for a novel with a ship crewed only by children, on a return trip in space to re-populate Earth when they return
121599
Short story about a gigantic space monster that is big enough to cover half of the Earth
118194
Looking for the title of a book about alien invasion, mining asteroids and using lasers to defend earth
127124
Looking for a book about the moon being a spaceship with an AI
147423
Fantasy book that turns out to be post-apocalypse, set several millennia after a nuclear war
39744
Story with a 3-layered world
80103
Trying to identify a book about life on the side of an infinitely tall wall
147601
Story about a man who discovers the power of nothing
99076
Short story (maybe two in the same collection) about Alien education versus Earth
17389
Need help recalling name of sci-if story about earth evolving into electronic life forms
110960
ID a book about a mirror world and 4th dimension
16900
A short story about finding an inhabitable planet and meeting aliens
143007
Book with travellers, alien artefacts and age reversal
69663
What sci-fi novel has the moon split into 7 pieces by an asteroid, threatening life on earth?
78200
Looking for title/author of SF novel about malevolent creatures/gods residing inside stars