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In this episode of Useful Knowledge, Patrick Spero speaks with pioneering astronomer Jill Tarter about her lifelong search for life beyond Earth. Tarter, a founding figure of modern SETI, reflects on the scientific, technological, and philosophical dimensions of asking whether we are alone in the universe.
She discusses how advances in radio astronomy and AI are reshaping the hunt for extraterrestrial technology, the origins and goals of the Allen Telescope Array, and why future discoveries will require trusted, global scientific institutions. Tarter also shares personal stories—from early inspiration on Florida beaches to challenges as a woman in engineering—and revisits memorable moments from SETI’s early years.
A concise and compelling look into one of humanity’s most enduring questions.
