Work about Earth or humanity being destroyed for being peaceful
96874
90's TV; alien ships appear, tell humans to "do better"; turns out they wanted weapons
44311
The Cracks in the Universe: Why are they lethal to some, but not to others?
53028
Idiom: People caring about minor stuff while something terrible is happening
107466
Space movie with alien probe that makes the crew turn homicidal
31752
CG series about a beast planet
115106
persons vs people
9378
Why is the earth a viable return path for power distribution?
46739
Dark Energy saving the world
4557
Distant aliens receive signal with instructions on how to construct humans, long after Earth is extinct
55796
Story about space explorers who communicate but then decide they must destroy each other
17846
Environment still acting up
111401
Short sci-fi story about Earth blockaded by other human colonies
70710
Ultimate meaning of Work
116754
Looking for a story about the end of life on earth
45852
A better word for justice / morality
59593
How can I save the world from the spread of Hallow and Corruption/Crimson?
76615
A story about Earth in far future with a civilization centered around a huge tree