Is life on other planets trying to communicate with us on Earth? SETI Astronomer Seth Shostak explains how he listens carefully to radio waves in the ongoing search for extraterrestrial intelligence.
Keep track of the Allen Telescope Array via Lab Cam, along with other enthusiasts called SETIStars, and learn about the setbacks and victories the SETI researchers have experienced as they struggle to keep funding their research.
NOVA: The Search for ET
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