Worlds Without End: Exoplanets, Habitability, and the Future of Humanity

Planet Earth, it turns out, may not be the best of all possible worlds-and lately humanity has been depleting resources, decimating species, and degrading everything needed for life. Meanwhile, human ingenuity has opened up a vista of habitable worlds well beyond our wildest dreams of outposts on Mars. Worlds without End is an expertly guided tour of this thrilling frontier in astronomy: the search for planets with the potential to host life.



Chris Impey conducts listeners across the vast, ...