<p>Curious about general astrophysics? Then join us for class this week as Professor Neil deGrasse Tyson and teaching assistant Leighann Lord explain some of the basics.</p>

X-Prize (Part 1)

Science, pop culture, and comedy collide on StarTalk Radio! Neil deGrasse Tyson, astrophysicist and Director of New York's Hayden Planetarium, and his comic co-hosts, guest celebrities, and scientific experts explore astronomy, physics, and everything else there is to know about life in the universe. New episodes premiere Tuesdays. Keep Looking Up!