Science, pop culture and comedy collide on StarTalk Radio! Astrophysicist and Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities and scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up! New episodes premiere Monday nights at 7pm ET.
Paleontologist Peter Ward explains how life's tendency toward self-destruction has led to massive extinction events in Earth's history. What does the past -- and the smell of rotten eggs -- have to teach us about the fate of humanity?