Since the beginning of human history, we’ve looked up at the stars and wondered: Are we alone? No other generation has been able to find an answer, but David Charbonneau thinks we may be the first. He’s an astronomer at Harvard University and a recipient of an honorary degree from the University of Chicago this year.

Charbonneau has made it his life’s goal to search the stars for habitable planets and alien life. On this episode, he tells his fascinating story about the history of exoplanetary research, his journey as a planet hunter and the stunning discoveries he’s made along the way.

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