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Science Fiction Aficionados
— 2616 members
— last activity Oct 31, 2026 07:35AM
Welcome to Sci Fi Aficionados. We love all things science fiction, with an emphasis on the classics of the genre. Members are welcome to discuss all t ...more
Space Opera Fans
— 5797 members
— last activity 7 hours, 28 min ago
If you like space opera: an epic scale adventure through the galaxy with military battles, interplanetary politics, realistic interpersonal relationsh ...more
Hard SF
— 1215 members
— last activity Oct 15, 2026 12:28AM
This is a discussion group for this specific subgenre in SF where the plausibility of the science counts.
Ed’s 2025 Year in Books
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