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Science fiction (908)
Life on other planets › Fiction (45)
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hard sf, science fiction (180)
hard sf, sf (176)
aliens, hard sf (106)
sci-fi, science fiction, sf (85)
artificial intelligence, hard sf (68)
artificial intelligence, hard sf, science fiction (67)
novel, space (66)
far future, science fiction (62)
novel, sci-fi (62)
science fiction, sf (62)
sci-fi, unread (61)
AI, sci-fi (60)
Tag info: hard sf
Includes: hard sf, hard sci fi, hard sci-fi, hard science fiction, hard scifi, hard-sf, hardscifi, hardsf (what?)
Tag and its aliases used 3,923 times by 412 users.![]()
Most often tagged hard sf
- Revelation Space by Alastair Reynolds (45)
- Red Mars by Kim Stanley Robinson (37)
- Green Mars by Kim Stanley Robinson (36)
- Chasm City by Alastair Reynolds (31)
- Blue Mars by Kim Stanley Robinson (29)
- Ringworld by Larry Niven (28)
- Redemption Ark by Alastair Reynolds (26)
- Absolution Gap by Alastair Reynolds (22)
- The Ringworld Engineers by Larry Niven (22)
- Pushing Ice by Alastair Reynolds (22)
- Eon by Greg Bear (21)
- Diaspora by Greg Egan (20)
- Rendezvous with Rama by Arthur C. Clarke (19)
- Century Rain by Alastair Reynolds (18)
- Time by Stephen Baxter (17)
- Quarantine by Greg Egan (17)
- Accelerando by Charles Stross (17)
- Mission of Gravity by Hal Clement (15)
- Permutation City by Greg Egan (15)
- Manifold: Space by Stephen Baxter (15)











