[*Read by the author - Neil deGrasse Tyson] The essential universe, from our most celebrated and beloved astrophysicist. What is the nature of space and time? How do we fit within the universe? How does the universe fit within us? Th...

An exploration of the age-old complicity between skywatchers and warfighters, from the best-selling author of Astrophysics for People in a Hurry.In this fascinating foray into the centuries-old relationship between science and militar...