Extraterrestrial Life
Verses in Tanach
Talmud / Midrash and commentaries
Avodah Zarah 3b
Midrash Rabbah Bereishit 9:2
Post Talmud / Midrash, Pre-Rishonim
Seder Rabbah Bereishit 4
Rav Saadia Gaon, Preface to Emunot veDe'ot
Mishneh Torah and commentaries
Hilchot Yesodei haTorah 2:1-2, 7-8
Rishonim [Pre-"Code of Jewish Law"]
Rambam Moreh HaNevuchim 3:13-14
Or HaShem, Rav Chasdai Crescas, Maamar 4 Derush 2
Tur, Shulchan Aruch ["Code of Jewish Law"] and its Commentaries
Acharonim [Post-"Code of Jewish Law"]
Recent Authorities
To add sources or to suggest topics for source material, please e-mail me [Mordechai Torczyner] at: 
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