Pre-70s science-fiction short story: "Cracker for my Megatherium?"
60458
SF short story ID, written 40s—60s, primitive aliens who are much smarter than us
126070
Looking for an old story where humans conceal their newly-discovered psychic abilities from alien visitors
99223
Short story in book collection about war machines and armies out of control
19817
Identify a short story about a wall on a planet at the edge of a tiny universe
146009
Short story about aliens who want to trade items for information, stories, jokes etc
85143
Science fiction short story: beam transporting people into the distant future
76018
Short Story About Contact With An Alien Race That Extruded An Elixir
851
Looking for title of sci fi short story about attempts to colonise planet (Venus?). Scientist and his dog are main characters
26391
SF Story about human adapting to alien environment
47226
Short story as a letter to original colonisers of earth
121599
Short story about a gigantic space monster that is big enough to cover half of the Earth
67118
Short story about alien invasion with a twist.
99491
Short story collection with one story about a fictional drug
105978
Short story about the drawbacks of human telepathy on an alien planet
125849
Short story from 70s with alien parasites that enhance nervous system
97727
Children's short story about material that accelerates away from gravity
12720
Short Sci-fi story about a sentient planet/creature that exists to seed the universe with life