Story about a civilization which repeatedly rises and falls, because individuals can't stop reproducing
97483
Looking for book: contact with aliens, five different races, mismatched claws, biological imperative to breed
26391
SF Story about human adapting to alien environment
139418
Looking for a short story about an insect-like alien captured by humans on its own planet
37150
Sci-fi novella where colonists begin to de-evolve - Mankind has reached limits of its evolutionary cycle
69727
Fantasy piece involving different worlds and a crippled protagonist
43387
Trying to find a story about an unborn telepathic baby who can save a spaceship from doom
17389
Need help recalling name of sci-if story about earth evolving into electronic life forms
94172
Science Fiction story about humans escaping earth's destruction
155570
Short story in a society where people constantly record their whole lives and receive "ratings" on their skills/abilities?
57252
Ecological tale of a world covered by a forest that is all one organism
24884
Story ident : Solar powered aliens
116754
Looking for a story about the end of life on earth
66753
Looking for a SF story regarding women growing things in their wombs
147383
Human & Alien captured, observed by higher beings
105647
What sci-fi short story featured a man waking up from stasis several times over millennia?
131436
Story about tricking the earth empire into saving hopeless aliens
115025
Story about a man who creates a virus which implants his cloned child in millions of women