Alien creature ends up taking over its whole planet. Starts small and takes over slowly
862
Book ID: Astronauts and Lab Students can create portals through space
144344
Book: Female protagonist transformed into alien on alien planet
61205
SciFi from an Alien's perspective
16594
Earth occupation/invasion book I read in the 90s
6002
Story (series) identification: Mind controlling satellite, a return to Earth, and two warring alien species
139418
Looking for a short story about an insect-like alien captured by humans on its own planet
98805
Trying to identify a short story in which aliens turned an entire city block into a spaceship
131436
Story about tricking the earth empire into saving hopeless aliens
151557
A man who sometimes works for the UN accidentally sells the Earth to an alien
23113
Story with multiple 'third planet' races
66009
Short Sci-fi story about a car that endlessly drives itself
11691
Movie: Creature crawls out of its current hosts mouth into next hosts mouth
12720
Short Sci-fi story about a sentient planet/creature that exists to seed the universe with life
46055
Short sci-fi story: aliens regret setting Earth's destruction in motion
112938
Goofy looking alien robots lose a "Kleptonite Ball" towed behind their spacecraft
97097
Novel with psychic parasites from Earth
67407
Trying to identify a very old short story about aliens colonizing human bodies