Since the days of the Mishna 1800 years ago, whenever Jews have had a serious ethical or legal problem, they have sent a written question to the rabbi of their choice who has written a detailed reply based upon the Bible, the Babylonian Talmud, commentaries to the Talmud and codes of Jewish law. These questions and answers are called responsa. There are over 9,000 volumes of responsa containing over 300,000 individual responsa.
This site features responsa written by Conservative/Masorti rabbis:

מגילה