1st Novel: Genesis, by Poul Anderson (2000).
2nd Novel: Ash, by Mary Gentle (2000).
2nd Novel: Calculating God, by Robert J. Sawyer (2000).
2nd Novel: Infinity Beach, by Jack McDevitt (2000).
3rd Novel: Fresco, by Sheri S. Tepper (2000).
1st Novel: A Deepness in the Sky, by Vernor Vinge (1999).
2nd Novel: Darwin's Radio, by Greg Bear (1999).
3rd Novel: Greenhouse Summer, by Norman Spinrad (1999).
1st Novel: Brute Orbits, by George Zebrowski (1998).
2nd Novel: Starfarers, by Poul Anderson (1998).
3rd Novel: Distraction, by Bruce Sterling (1998).
1st Novel: Forever Peace, by Joe Haldeman (1997).
2nd Novel: Slant, by Greg Bear (1997).
3rd Novel: Secret Passages, by Paul Preuss (1997).
1st Novel: Fairyland, by Paul J. McAuley (1996).
2nd Novel: Blue Mars, by Kim Stanley Robinson (1996).
3rd Novel: The Sparrow, by Mary Doria Russell (1996).
1st Novel: The Time Ships, by Stephen Baxter (1995).
2nd Novel: The Diamond Age, by Neal Stephenson (1995).
3rd Novel: Chaga, by Ian McDonald (1995).
1st Novel: Permutation City, by Greg Egan (1994).
2nd Novel: Brittle Innings, by Michael Bishop (1994).
3rd Novel: no award
1st Novel: no award
2nd Novel: Beggars in Spain, by Nancy Kress (1993).
3rd Novel: Moving Mars, by Greg Bear (1993).
1st Novel: Brother to Dragons, by Charles Sheffield (1992).
2nd Novel: Sideshow, by Sheri S. Tepper (1992).
3rd Novel: A Fire Upon the Deep, by Vernor Vinge (1992).
1st Novel: Buddy Holly Is Alive and Well on Ganymede, by Bradley Denton (1991).
2nd Novel: The Difference Engine, by William Gibson and Bruce Sterling (1991).
3rd Novel: A Woman of the Iron People, by Eleanor Arnason (1991).
3rd Novel: Stations of the Tide, by Michael Swanwick (1991).
3rd Novel: The Silicon Man, by Charles Platt (1991).
1st Novel: Pacific Edge, by Kim Stanley Robinson (1990).
2nd Novel: Queen of Angels, by Greg Bear (1990).
3rd Novel: Only Begotten Daughter, by James Morrow (1990).
1st Novel: The Child Garden, by Geoff Ryman (1989).
2nd Novel: Farewell Horizontal, by K. W. Jeter (1989).
3rd Novel: Good News from Outer Space, by John Kessel (1989).
1st Novel: Islands in the Net, by Bruce Sterling (1988).
2nd Novel: The Gold Coast, by Kim Stanley Robinson (1988).
3rd Novel: Dragonsdawn, by Anne McCaffrey (1988).
1st Novel: Lincoln's Dream, by Connie Willis (1987).
2nd Novel: The Sea and the Summer, by George Turner (1987).
3rd Novel: The Unconquered Country, by Geoff Ryman (1987).
1st Novel: A Door into Ocean, by Joan Slonczewski (1986).
2nd Novel: This Is the Way the World Ends, by James Morrow (1986).
3rd Novel: Speaker for the Dead, by Orson Scott Card (1986).
1st Novel: The Postman, by David Brin (1985).
2nd Novel: Galapagos, by Kurt Vonnegut (1985).
3rd Novel: Kiteworld, by Keith Roberts (1985).
3rd Novel: Blood Music, by Greg Bear (1985).
1st Novel: The Years of the City, by Frederik Pohl (1984).
2nd Novel: Green Eyes, by Lucius Shepard (1984).
3rd Novel: Neuromancer, by William Gibson (1984).
1st Novel: The Citadel of the Autarch, by Gene Wolfe (1983).
2nd Novel: The Birth of the Peoples' Republic of the Antarctic, by John Batchelor (1983).
3rd Novel: Tik-Tok, by John Sladek (1983).
1st Novel: Hellconia Spring, by Brian W. Aldiss (1982).
2nd Novel: No Enemy But Time, by Michael Bishop (1982).
3rd Novel: no award
1st Novel: Riddley Walker, by Russell Hoban (1981).
2nd Novel: no award
3rd Novel: no award
1st Novel: Timescape, by Gergory Benford (1980).
2nd Novel: The Dreaming Dragons, by Damien Broderick (1980).
3rd Novel: The Shadow of the Torturer, by Gene Wolfe (1980).
1st Novel: On the Wings of Song, by Thomas M. Disch (1979).
2nd Novel: Engine Summer, by John Crowley (1979).
3rd Novel: The Unlimited Dream Company, by J. G. Ballard (1979).
1st Novel: Gloriana, by Michael Moorcock (1978).
2nd Novel: And Having Writ ..., by Donald Benson (1978).
3rd Novel: Altered States, by Paddy Chayefski (1978).
1st Novel: Gateway, by Frederik Pohl (1977).
2nd Novel: Roadside Picnic, by Arkady Strugatsky and Boris Strugatsky (1977).
3rd Novel: A Scanner Darkly, by Philip K. Dick (1977).
1st Novel: The Alteration, by Kingsley Amis (1976).
2nd Novel: Man Plus, by Frederik Pohl (1976).
3rd Novel: Where Late the Sweet Birds Sang, by Kate Wilhelm (1976).
1st Novel: The Year of the Quiet Sun, by Wilson Tucker (1970). (retrospective award)
2nd Novel: The Stochastic Man, by Robert Silverberg (1975).
3rd Novel: Orbitsville, by Bob Shaw (1975).
1st Novel: Flow My Tears, The Policeman Said, by Philip K. Dick (1974).
2nd Novel: The Dispossessed, by Ursula K. Le Guin (1974).
3rd Novel: no award
1st Novel: Rendezvous with Rama, by Arthur C. Clarke (1973).
1st Novel: Malevil, by Robert Merle (1973).
2nd Novel: The Embedding, by Ian Watson (1973).
2nd Novel: The Green Gene, by Peter Dickson (1973).
Special non-fiction award: The Cosmic Connection, by Carl Sagan (1973).
1st Novel: Beyond Apollo, by Barry N. Malzberg (1972).
2nd Novel: The Listeners, by James E. Gunn (1972).
3rd Novel: Darkening Island (Fugue for a Darkening Plain), by Christopher Priest (1972).
Special award for excellence in writing: Dying Inside, by Robert Silverberg (1972).
Also see Hugo awards for science fiction
Also see Nebula awards for science fiction
Also see Retrospective Hugo awards for science fiction
Also see Sturgeon awards for writing short science fiction
