- Astronomy, other worlds than ours: Syllabus of a course of six lecture-studies (The University of Chicago, University Extension Divsion, The Lecture-Study Department) by Forest Ray Moulton, 1904
- Other Worlds From Earth: The Future of Planetary Astronomy by Planetary Astronomy Committee, 1989
- Other Worlds from Earth: the Future of Planetary Astronomy (report of the planetary Astronomy Committee of the Solar System Exploration Division) by NASA, 1989
- Exploring other worlds: From the New Golden book of astronomy (A Golden book) by Rose Wyler, 1968
- Other Worlds From Earth: The Future of Planetary Astronomy by Planetary Astronomy Committee, 1989
- Life on Other Worlds: The 20th Century Extraterrestrial Life Debate by Steven J. Dick, 2001-02-15
- Other Worlds: Space, Superspace, and the Quantum Universe (Penguin Science) by Paul Davies, 1997-05-01
- Other Worlds: The Solar System And Beyond by James Trefil, 1999-09-01
- The Search for other Worlds: Fourteenth Astrophysics Conference (AIP Conference Proceedings / Astronomy and Astrophysics)
- Life in the Universe: From the Miller Experiment to the Search for Life on Other Worlds (Cellular Origin, Life in Extreme Habitats and Astrobiology)
- The Planet Hunters: The Search for Other Worlds by Dennis Brindell Fradin, 1997-10-01
- Other Worlds: A Beginners Guide to Planets and Moons by Terence Dickinson, 1995-09-01
- Life on Other Worlds and How to Find It (Springer Praxis Books / Space Exploration) by Stuart Clark, 2000-03-15
- Our Own and Other Worlds by Joseph Hamilton, 1903
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