The Search for Extraterrestrial Life

Are we alone in the Universe? It’s probably one of the most hotly debated questions in science today.

In this episode we catch up with theoretical physicist Prof Avi Loeb, author of the new book Interstellar – The Search for Extraterrestrial Life and our Future Beyond Earth.

He talks to us about the tantalising possibility that we have already observed alien technology travelling through space, why we should be doing more to look for it and what he found on his recent expedition to retrieve Interstellar material from the depths of the Pacific Ocean.

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