Forum discusses the search for extraterrestrial life with scientists from NASA and SETI. How close are we to finding other life forms, and could we communicate with them if we did?
Guests:
Ken Croswell, astronomer and author whose books include "The Universe at Midnight", "The Alchemy of the Heavens" and "Magnificent Mars."
Dan Wertheimer, chief scientist and principal investigator for the SETI (Search for Extraterrestrial Intelligence) Program at UC Berkeley
Jonathan Trent, astrobiologist for NASA Ames Research Center
Doug Vakoch, director of Interstellar Message Composition at the SETI Institute
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