卡爾·愛德華·薩根(英語:Carl Edward Sagan,1934年11月9日—1996年12月20日),著名美国天文学家、天体物理學家、宇宙學家、科幻小說及科普作家,亦是行星學會的成立者。薩根收集了發送到太空的第一批物理信息:旅行者金唱片。薩根提出了現在公認的假說:金星表面的高溫可以歸因於溫室效應。
科普著作《伊甸园的龙——人类智力演化的推测(The Dragons of Eden: Speculations on the Evolution of human Intelligence)》获得普利策奖。
《預約新宇宙:為人類尋找新天地(Pale Blue Dot: A Vision of the Human Future in Space)》被纽约时报评选为1995年最值得注意的书籍之一,有声书则获得格莱美奖提名,并被出版者周刊评选为两本年度最佳有声书之一。
他是《无人曾想过的道路——核冬天和武器竞赛的终结(A Path Where No Man Thought: Nuclear Winter and the End of the Arms Race)》的合著者,综合阐述了核冬天现象。
《布鲁卡的脑——对科学妄想的批判(Broca's Brain: Reflections on the Romance of Science)》、《彗星(Comet)》等科普书籍也有很大的影响力。
Chicken Little Award Honorable Mention - 1991 - National Anxiety Center; a dubious achievement award from an organization which is skeptical about many pessimistic appraisals of the state of the environment
Appelle, Stuart: "Ufology and Academia: The UFO Phenomenon as a Scholarly Discipline"(pages 7-30 in UFOs and Abductions: Challenging the Borders of Knowledge, David M. Jacobs, editor; University Press of Kansas, 2000; ISBN)
Clark, Jeromne: The UFO Book(1998)
Sagan, Carl and Jonathon Norton Leonard and editors of Life, Planets. Time, Inc., 1966
Sagan, Carl and I.S. Shklovskii, Intelligent Life in the Universe. Random House, 1966
Sagan, Carl, et. al. Mars and the Mind of Man. Harper & Row, 1973
Sagan, Carl, Other Worlds. Bantam Books, 1975
Sagan, Carl, et. al. Murmurs of Earth: The Voyager Interstellar Record. Random House, 1977
Sagan, Carl et. al. The Nuclear Winter: The World After Nuclear War. Sidgwick & Jackson, 1985
Sagan, Carl, Contact(novel). Simon and Schuster, 1985; Reissued August 1997 by Doubleday Books, ISBN 978-1-56865-424-9, 352 pgs
Sagan, Carl and Richard Turco, A Path Where No Man Thought: Nuclear Winter and the End of the Arms Race. Random House, 1990
Sagan, Carl, The Dragons of Eden|The Dragons of Eden: Speculations on the Evolution of Human Intelligence. Ballantine Books, December 1989, ISBN 978-0-345-34629-2, 288 pgs
Sagan, Carl, Broca's Brain: Reflections on the Romance of Science. Ballantine Books, October 1993, ISBN 978-0-345-33689-7, 416 pgs
Sagan, Carl, Pale Blue Dot: A Vision of the Human Future in Space. Random House, November 1994, ISBN 978-0-679-43841-0, 429 pgs
Sagan, Carl and Ann Druyan, Comet. Ballantine Books, February 1997, ISBN 978-0-345-41222-5, 496 pgs
Sagan, Carl and Ann Druyan, Billions & Billions: Thoughts on Life and Death at the End of the Millennium. Ballantine Books, June 1998, ISBN 978-0-345-37918-4, 320 pgs
Sagan, Carl, The Demon-Haunted World: Science as a Candle in the Dark. Ballantine Books, March 1997, ISBN 978-0-345-40946-1, 480 pgs
Sagan, Carl and Jerome Agel, Cosmic Connection: An Extraterrestrial Perspective. Cambridge University Press, January 15, 2000, ISBN 978-0-521-78303-3, 301 pgs
Sagan, Carl, Cosmos: A Personal Voyage. Random House, May 7, 2002, ISBN 978-0-375-50832-5, 384 pgs
Westrum, Ron, "Limited Access: Six Natural Scientists and the UFO Phenomenon"(pages 30-55 in Jacobs)
Zemeckis, Robert, Contact(film). Warner Studios, 1997, IMDB (页面存档备份,存于互联网档案馆)
Davidson, Keay, Carl Sagan: A Life. John Wiley & Sons, August 31, 2000, ISBN 978-0-471-39536-2, 560 pgs
Head, Tom (editor), Conversations with Carl Sagan. University Press of Mississippi, 2005, ISBN 978-1-57806-736-7, 170 pgs