Neil deGrasse Tyson
Books by Neil deGrasse Tyson
NPR stories about Neil deGrasse Tyson
The director of the American Museum of Natural History's Hayden Planetarium and author of The Pluto Files, Neil deGrasse Tyson, talks about the future of NASA, Pluto's demotion to dwarf-planet status, and the difference between Darwin and Einstein.
Ever wonder where the gold in your wedding ring came from? For Valentine's Day, Robert Krulwich tracks the rare element all the way to outer space, where gold is formed in the fiery center of collapsing stars.