Planetary Radio: Space Exploration, Astronomy and Science

Science Fiction Greats on Humanity’s Destiny in Space

1:10:40 | Sep 13th, 2017

Robert Zubrin of the Mars Society talks with Gregory Benford, David Brin, Geoffrey Landis and Larry Niven about terraforming Mars, the origin of life, the drive to explore and more.Learn more about your ad choices. Visit megaphone.fm/adchoices