Short story of a race who discovered primitive but subtle interstellar travel
28481
Short story, where FTL travel is very simple but humans never discovered it
42867
Short story about an astronaut that has to harvest/collect the body fluids of an alien for a panacea
139069
Short story where humans receive false distress signal, lured into galactic federation
24552
Short story about an astronaut that enters an alien space ship and discovers it is a sarcophagus
16900
A short story about finding an inhabitable planet and meeting aliens
121356
Short story about a scientist trying to prove faster-than-light travel with a billiard ball
109023
Story about two wizards from Earth's past who go on relativistic trips through space
67118
Short story about alien invasion with a twist.
139194
Short story about a crew finding an ancient alien ship filled with tons of artifacts from their society
158922
Short story about an asteroid colony where the plumber is an unclean/outcast
26391
SF Story about human adapting to alien environment
6348
Short sci fi story where a space craft is made of various creatures from all over universe
25210
Science fiction short story taking place in a universe with a higher gravitational constant
81684
Question about a short story about Martian people on Earth at the time of the Neanderthal
14915
Story about lost colonized planet sent into orbit around "free" star
101629
Story about a man and an alien exploring an alien world
23113
Story with multiple 'third planet' races