Short story where aliens observe new colonists and find out they are male/female
3968
Duo of alien xenologists study couple of Terran explorers, later save them
21048
Looking for the name and author of short story about sea creatures that need a third sex to procreate
86853
Novel about alien conquerers who conduct games to select servants
61205
SciFi from an Alien's perspective
24884
Story ident : Solar powered aliens
150922
Identification of a sci-fi book or book series based on the description of two alien races
44499
Story about astronauts who set off an alien warning beacon on the moon (or Mars?)
12720
Short Sci-fi story about a sentient planet/creature that exists to seed the universe with life
38857
Story Identification: Human Resistance to Conquering Aliens
68219
Short story about aliens that routinely kill their wives? Who wrote it?
131816
Identify sci-fi short story about last man and woman on earth
118033
Title of novel with girl who can read minds by observing body language, later communicates with a hive mind on an alien planet's surface
146009
Short story about aliens who want to trade items for information, stories, jokes etc
147383
Human & Alien captured, observed by higher beings
98407
Looking for a (short?) story about a cryo ship looking for habitable planets
23806
Scifi short story with a star in a jar
35707
SF novel about one-way scientific expedition to inhabited planet, where telepathic aliens "talk" sort of ++like this++ and ~*~this~*~