Aliens collect butterflies
116754
Looking for a story about the end of life on earth
147218
Human visits aliens with advanced hearing and culture with heavy emphasis on music
35600
Short story - 60s or earlier - meteorite is actually crashed alien ship full of tiny insect-sized beings
56384
Alien invasion movie, giant robot aliens with long legs capturing people
16900
A short story about finding an inhabitable planet and meeting aliens
106721
Short story about aliens trading for hydroponics
31135
Movie with a returning probe/satellite, an alien infection, and a nuke at the end
158769
Zeppelins, altitude record and weird creatures
39398
What did the aliens need help for?
142581
Short story describing an alien invasion where humans are the invaders
140959
Is there a pair of alien species, one in Star Wars, one in Star Trek, that are too similar for coincidence?
121028
Aliens target wrong planet, causing life on Earth rather than destroying it
6599
Story about shapeshifting aliens trying to invade Earth, thwarted by biodiversity
100510
Novel where a group of scientists in a spaceship encounter various aliens
123838
Book about a planet covered in very, very long necked aliens
127615
Short story about humans serving as hosts to the larval stage of insects
119806
Movie with humans in a floating cryopod where one believes an alien is his mother