Senior Astronomer Director, Center for SETI Research Dr. Seth Shostak on Kepler-452b, the chances of finding extraterrestrial life, interstellar space travel and why we should listen for extraterrestrial signals.
Senior Astronomer Director, Center for SETI Research Dr. Seth Shostak on Kepler-452b, the chances of finding extraterrestrial life, interstellar space travel and why we should listen for extraterrestrial signals.