Neil deGrasse Tyson Gives Dark Matter a New Name: 'Fred'

Astrophysicist Neil DeGrasse Tyson joins us for Please Explain: The Cosmos! Most recently, he’s the host of National Geographic Channel’s first-ever late-night series, StarTalk. Based on Tyson’s incredibly popular podcast of the same name, the new series will bridge the intersection between pop culture and science as it brings together celebrities, comedians and scientists to discuss the latest developments in our vast universe. The show is filmed at the American Museum of Natural History’s Hayden Planetarium, where Tyson serves as director.