Novel: Spin by Robert Charles Wilson (Tor)
Novella: "Inside Job" by Connie Willis (Asimov's January 2005)
Novelette: "Two Hearts" by Peter S. Beagle (Fantasy & Science Fiction October/November 2005)
Short Story: "Tk'tk'tk" by David D. Levine (Asimov's March 2005) Available as an audio podcast download
Related Book: Storyteller: Writing Lessons and More from 27 Years of the Clarion Writers' Workshop by Kate Wilhelm (Small Beer Press)
2005:
Novel: Jonathan Strange & Mr Norrell by Susanna Clarke
Novella: "The Concrete Jungle" by Charles Stross
Novelette: "The Faery Handbag" by Kelly Link
Short Story: "Travels with My Cats" by Mike Resnick
Related Book: The Cambridge Companion to Science Fiction Eds. Edward James and Farah Mendlesohn
2004:
Novel: Paladin of Souls by Lois McMaster Bujold
Novella: "The Cookie Monster" by Vernor Vinge
Novelette: "Legions in Time" by Michael Swanwick
Short Story: "A Study in Emerald" by Neil Gaiman
Related Book: The Chesley Awards for Science Ficiton and Fantasy Art Eds. John Grant, Elizabeth L. Humphrey, and Pamela D. Scoville
2003:
Novel: Hominids by Robert J. Sawyer
Novella: "Coraline" by Neil Gaiman
Novelette: "Slow Life" by Michael Swanwick
Short Story: "Falling Onto Mars" by Geoffrey A. Landis
Related Book: Better to Have Loved: The Life of Judith Merril by Judith Merril and Emily Pohl-Weary
2002:
Novel: American Gods by Neil Gaiman
Novella: "Fast Times at Fairmont High" by Vernor Vinge
Novelette: "Hell is the Absence of God" by Ted Chiant
Short Story: "The Dog Said Bow-Wow" by Michael Swanwick
Related Book: The Art of Chesley Bonestell by Ron Miller and Frederick C. Durant 3rd with Melvin H. Schuetz
2001:
Novel: Harry Potter and the Goblet of Fire by J. K. Rowling
Novella: "The Ultimate Earth" by Jack Williamson
Novelette: "Millennium Babies" by Krsitine Kathryn Rusch
Short Story: "Different Kinds of Darkness" by David Langford
Related Book: Greetings from Earth: The Art of Bob Eggleston by Eggleston and Suckling
2000:
Novel: A Deepness in the Sky by Vernor Vinge
Novella: "The Winds of Marble Arch" by Connie Willis
Novelette: "10 16 to 1" by James Patrick Kelly
Short Story: "Scherzo with Tyrannosaur" by Michael Swanwick
Related Book: Science Fiction of the 20th Century by Fank M. Robinson
1999:
Novel: To Say Nothing of the Dog by Connie Willis
Novella: "Oceanic" by Greg Egan
Novelette: "Taklamakan" by Bruce Sterling
Short Story: "The Very Pulse of the Machine" by Michael Swanwick
Related Book: The Dreams Our Stuff is Made Of: How Science Fiction Conquered the World by Thomas M. Disch
1998:
Novel: Forever Peace by Joe Haldeman
Novella: "...Where Angels Fear To Tread" by Allen Steele
Novelette: "We Will Drink A Fish Together" by Bill Johnson
Short Story: "The 43 Antarean Dynasties" by Mike Resnick
Non-Fiction Book: The Encyclopedia of Fantasy edited by John Clute & John Grant
1997:
Novel: Blue Mars by Kim Stanley Robinson
Novella: "Blood of The Dragon" by George R. R. Martin
Novelette: "Bicycle Repairman" by Bruce Sterling
Short Story: "The Soul Selects Her Own Society ..." by Connie Willis
Non-Fiction Book: Time & Chance by L. Sprague de Camp
1996:
Novel: The Diamond Age by Neal Stephenson
Novella: "The Death of Captain Future" by Allen Steele
Novelette: "Think Like a Dinosaur" by James Patrick Kelly
Short Story: "The Lincoln Train" by Maureen F. McHugh
Non-Fiction Book: Science Fiction: The Illustrated Encyclopedia by John Clute
1995:
Novel: Mirror Dance by Lois McMaster Bujold
Novella: "Seven Views of Olduvai Gorge" by Mike Resnick
Novelette: "The Martian Child" by David Gerrold
Short Story: "None So Blind" by Joe Haldeman
Non-Fiction Book: I. Asimov: A Memoir by Isaac Asimov
1994:
Novel: Green Mars by Kim Stanley Robinson
Novella: "Down in the Bottomlands" by Harry Turtledove
Novelette: "Georgia on My Mind" by Charles Sheffield
Short Story: "Death on the Nile" by Connie Willis
Non-Fiction Book: The Encyclopedia of Science Fiction by John Clute and Peter Nichols
1993:
Novel: A Fire Upon the Deep by Vernon Vinge Doomsday Book by Connie Willis (tie)
Novella: "Barnacle Bill the Spacer" by Lucius Shepard
Novelette: "The Nutcracker Coup" by Janet Kagan
Short Story: "Even the Queen" by Connie Willis
Non-Fiction Book: A Wealth of Fable: An informal history of science fiction in the 1950s by Harry Warner, Jr.
1992:
Novel: Barrayar by Lois McMaster Bujold
Novella: "Beggars in Spain" by Nancy Kress
Novelette: "Gold" by Isaac Asimov
Short Story: "A Walk in the Sun" by Geoffrey A. Landis
Non-Fiction Book: The World of Charles Addams by Charles Addams
1991:
Novel: The Vor Game by Lois McMaster Bujold
Novella: "The Hemingway Hoax" by Joe Haldeman
Novelette: "The Manamouki" by Mike Resnick
Short Story: "Bears Discover Fire" by Terry Bisson
Non-Fiction Book: How to Write Science Fiction and Fantasy by Orson Scott Card
1990:
Novel: Hyperion by Dan Simmons
Novella: "The Mountains of Mourning" by Lois McMaster Bujold
Novelette: "Enter a Soldier. Later: Enter Another" by Robert Silverberg
Short Story: "Boobs" by Suzy McKee Charnas
Non-Fiction Book: The World Beyond the Hill by Alexei & Cory Panshin
1989:
Novel: Cyteen by C. J. Cherryh
Novella: "The Last of the Winnebagos" by Connie Willis
Novelette: "Schrödinger's Kitten" by George Alec Effinger
Short Story: "Kirinyaga" by Mike Resnick
Non-Fiction Book: The Motion of Light in Water by Samuel R. Delany
1988:
Novel: The Uplift War by David Brin
Novella: "Eye for Eye" by Orson Scott Card
Novelette: "Buffalo Gals, Won't You Come Out Tonight" by Ursula K. Le Guin
Short Story: "Why I Left Harry's All-Night Hamburgers" by Lawrence Watt-Evans
Non-Fiction Book: Michael Whelan's Works of Wonder by Michael Whelan
Other Forms: Watchmen by Alan Moore and Dave Gibbons
1987:
Novel: Speaker for the Dead by Orson Scott Card
Novella: "Gilgamesh in the Outback" by Robert Silverberg
Novelette: "Permafrost" by Roger Zelazny
Short Story: "Tangents" by Greg Bear
Non-Fiction Book: Trillion Year Spree by Brian Aldiss with David Wingrove
1986:
Novel: Ender's Game by Orson Scott Card
Novella: "Twenty-four Views of Mount Fuji, by Hokusai" by Roger Zelazny
Novelette: "Paladin of the Lost Hour" by Harlan Ellison
Short Story: "Fermi and Frost" by Frederik Pohl
Non-Fiction Book: Science Made Stupid by Tom Weller
1985:
Novel: Neuromancer by William Gibson
Novella: "Press Enter n" by John Varley
Novelette: "Bloodchild" by Octavia Butler
Short Story: "The Crystal Spheres" by David Brin
Non-Fiction Book: Wonder's Child: My Life in Science Fiction by Jack Williamson
1984:
Novel: Startide Rising by David Brin
Novella: "Cascade Point" by Timothy Zahn
Novelette: "Blood Music" by Greg Bear
Short Story: "Speech Sounds" by Octavia Butler
Non-Fiction Book: Encyclopedia of Science Fiction and Fantasy, vol. III, by Donald Tuck
1983:
Novel: Foundation's Edge by Isaac Asimov
Novella: "Souls" by Joanna Russ
Novelette: "Fire Watch" by Connie Willis
Short Story: "Melancholy Elephants" by Spider Robinson
Non-Fiction Book: Isaac Asimov: The Foundations of Science Fiction by James E. Gunn
1982:
Novel: Downbelow Station by C. J. Cherryh
Novella: "The Saturn Game" by Poul Anderson
Novelette: "Unicorn Variation" by Roger Zelazny
Short Story: "The Pusher" by John Varley
Non-Fiction Book: Danse Macabre by Stephen King
1981:
Novel: The Snow Queen by Joan D. Vinge
Novella: "Lost Dorsai" by Gordon R. Dickson
Novelette: "The Cloak and the Staff" by Gordon R. Dickson
Short Story: "Grotto of the Dancing Deer" by Clifford D. Simak
Non-Fiction Book: Cosmos by Carl Sagan
1980:
Novel: The Fountains of Paradise by Arthur C. Clarke
Novella: "Enemy Mine" by Barry B. Longyear
Novelette: "Sandkings" by George R. R. Martin
Short Story: "The Way of Cross and Dragon" by George R. R. Martin
Non-Fiction Book: The Science Fiction Encyclopedia (Peter Nicholls, ed.)
1979:
Novel: Dreamsnake by Vonda McIntyre
Novella: "The Persistence of Vision" by John Varley
Novelette: "Hunter's Moon" by Poul Anderson
Short Story: "Cassandra" by C. J. Cherryh
1978:
Novel: Gateway by Frederik Pohl
Novella: "Stardance" by Spider and Jeanne Robinson
Novelette: "Eyes of Amber" by Joan D. Vinge
Short Story: "Jeffty Is Five" by Harlan Ellison
1977:
Novel: Where Late the Sweet Birds Sang by Kate Wilhelm
Novella: "By Any Other Name" by Spider Robinson and "Houston, Houston, Do You Read?" by James Tiptree, Jr. (tie)
Novelette: "The Bicentennial Man" by Isaac Asimov
Short Story: "Tricentennial" by Joe Haldeman
1976:
Novel: The Forever War by Joe Haldeman
Novella: "Home Is the Hangman" by Roger Zelazny
Novelette: "The Borderland of Sol" by Larry Niven
Short Story: "Catch That Zeppelin!" by Fritz Leiber
1975:
Novel: The Dispossessed by Ursula K. Le Guin
Novella: "A Song for Lya" by George R. R. Martin
Novelette: "Adrift Just Off the Islets of Langerhans" by Harlan Ellison
Short Story: "The Hole Man" by Larry Niven
1974:
Novel: Rendezvous with Rama by Arthur C. Clarke
Novella: "The Girl Who Was Plugged In" by James Tiptree, Jr.
Novelette: "The Deathbird" by Harlan Ellison
Short Story: "The Ones Who Walk Away from Omelas" by Ursula K. Le Guin
1973:
Novel: The Gods Themselves by Isaac Asimov
Novella: "The Word for World Is Forest" by Ursula K. Le Guin
Novelette: "Goat Song" by Poul Anderson
Short Story: "Eurema's Dam" by R. A Lafferty and "The Meeting" by Frederik Pohl and C. M. Kornbluth (tie)
1972:
Novel: To Your Scattered Bodies Go by Philip José Farmer
Novella: "The Queen of Air and Darkness" by Poul Anderson
Short Story: "Inconstant Moon" by Larry Niven
1971:
Novel: Ringworld by Larry Niven
Novella: "Ill Met in Lankhmar" by Fritz Leiber
Short Story: "Slow Sculpture" by Theodore Sturgeon
1970:
Novel: The Left Hand of Darkness by Ursula K. Le Guin
Novella: "Ship of Shadows" by Fritz Leiber
Short Story: "Time Considered as a Helix of Semi-Precious Stones" by Samuel R. Delany
1969:
Novel: Stand on Zanzibar by John Brunner
Novella: "Nightwings" by Robert Silverberg
Novelette: "The Sharing of Flesh" by Poul Anderson
Short Story: "The Beast That Shouted Love at the Heart of the World" by Harlan Ellison
1968:
Novel: Lord of Light by Roger Zelazny
Novella: "Weyr Search" by Anne McCaffrey and "Riders of the Purple Wage" by Philip José Farmer (tie)
Novelette: "Gonna Roll Them Bones" by Fritz Leiber
Short Story: "I Have No Mouth, and I Must Scream" by Harlan Ellison
1967:
Novel: The Moon Is a Harsh Mistress by Robert A. Heinlein
Novelette: "The Last Castle" by Jack Vance
Short Story: "Neutron Star" by Larry Niven
1966:
Novel: ... And Call Me Conrad by Roger Zelazny and Dune by Frank Herbert (tie)
Short Fiction: " 'Repent, Harlequin!' Said the Ticktockman" by Harlan Ellison
1965:
Novel: The Wanderer by Fritz Leiber
Short Story: "Soldier, Ask Not" by Gordon R. Dickson
1964:
Novel: Way Station by Clifford D. Simak
Short Fiction: "No Truce with Kings" by Poul Anderson
1963:
Novel: The Man in the High Castle by Philip K. Dick
Short Fiction: "The Dragon Masters" by Jack Vance
1962:
Novel: Stranger in a Strange Land by Robert A. Heinlein
Short Fiction: the "Hothouse" series by Brian W. Aldiss
1961:
Novel: A Canticle for Leibowitz by Walter M. Miller, Jr.
Short Fiction: "The Longest Voyage" by Poul Anderson
1960:
Novel: Starship Troopers by Robert A. Heinlein
Short Fiction: "Flowers for Algernon" by Daniel Keyes
1959:
Novel: A Case of Conscience by James Blish
Novelette: "The Big Front Yard" by Clifford D. Simak
Short Story: "That Hell-Bound Train" by Robert Bloch
1958:
Novel or Novelette: The Big Time by Fritz Leiber
Short Story: "Or All the Seas With Oysters" by Avram Davidson
1957:
American Professional Magazine: Astounding
British Professional Magazine: New Worlds
1956:
Novel: Double Star by Robert A. Heinlein
Novelette: "Exploration Team" by Murray Leinster
Short Story: "The Star" by Arthur C. Clarke
1955:
Novel: They'd Rather Be Right by Mark Clifton and Frank Riley
Novelette: "The Darfsteller" by Walter M. Miller, Jr.
Short Story: "Allamagoosa" by Eric Frank Russell
1954 (awarded in 2004):
Novel: Fahrenheit 451 by Ray Bradbury
Novella: "A Case of Conscience" by James Blish
Novelette: "Earthman, Come Home" by James Blish
Short Story: "The Nine Billion Names of God" by Arthur C. Clarke
Related Book: Conquest of the Moon by Wernher von Braun, Fred L. Wipple, and Willey Ley
1953:
Novel: The Demolished Man by Alfred Bester
1951 (awarded in 2001):
Novel: Farmer in the Sky by Robert A. Heinlein
Novella: "The Man Who Sold the Moon" by Robert A. Heinlein
Novelette: "The Little Black Bag" by C. M. Kornbluth
Short Story: "To Serve Man" by Damon Knight
1946 (awarded in 1996):
Novel: The Mule by Isaac Asimov
Novella: "Animal Farm" by George Orwell
Novelette: "First Contact" by Murray Leinster
Short Story: "Uncommon Sense" by Hal Clement