A 60’s or earlier short story about time travel and a dinosaur hunt that changes the present
10132
Time Traveler steps on a butterfly, changes everything
95235
Story about a sentient star system, in a 50s or early 60s anthology
142498
Short story about interstellar travel gone wrong
43163
Story about protagonist finding a world that has died with a museum
81684
Question about a short story about Martian people on Earth at the time of the Neanderthal
69401
Short SciFi story where humans join and evolve into a kind of multi-creature
2463
Story ID - Humans of various epochs are transported to a world
98655
R.A. Lafferty? Story about ship going back in time
39822
Looking for a short story about the icy end of the world
93462
Time Travel young adult novel from late 80's
81779
Name of book about a man who was genetically modified during prehistoric times by aliens
26264
Short story ID: Bouncing-Ball Time Travel
155646
I need help identifying a short science fiction story about cancer as human evolution
6348
Short sci fi story where a space craft is made of various creatures from all over universe
99076
Short story (maybe two in the same collection) about Alien education versus Earth
112532
Short story about a hole to another universe that pulls in metal
143007
Book with travellers, alien artefacts and age reversal