science fiction
US /ˈsaɪəns ˌfɪkʃən/
UK /ˈsaɪəns ˌfɪkʃən/
1.
a genre of speculative fiction dealing with imaginative concepts such as futuristic science and technology, space travel, time travel, parallel universes, and extraterrestrial life
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I love reading science fiction novels, especially those about space exploration.
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Many classic science fiction films explore themes of artificial intelligence.