Neil deGrasse Tyson

Melissa Sevigny talked about her book, Under Desert Skies: How Tucson Mapped the Way to the Moon and Planets. Ms. Sevign…

Professor Chris Impey talked about his book, Beyond: Our Future in Space, about the next generation of space exploration…

Authors April Ryan, Eddie Glaude, and David Maraniss talked about the presidency of Barack Obama. They also responded to…

Astronaut Scott Kelly talked about his book Endurance, in which he recalls his voyages into space. He was interviewed by…