As astrophysicists gain insight into dark matter, black holes and other cosmological wonders, those discoveries inevitably lead to more questions. Yale University professor of astronomy and physics Priyamvada Nataraja joins us to talk about current scientific thinking about our ever-expanding universe. Her new book is called “Mapping the Heavens: The Radical Scientific Ideas that Reveal the Cosmos” (Yale University Press).

This show originally aired on August 9, 2016.