In today's show we will be talking about origins. Prof. Charles Cockell will be discussing how asteroid impact craters can tell us how life evolved on early Earth, Dr Armand Leroi explains how comparing the genomes of chimps and humans can teach us about man's evolution, Dr Dana Mackenzie talks about the origin of the moon, and Dr Mike Hobson explains how our solar system formed in the first place.

• Origin of Earth, The Moon, Life and Humans - Naked Scientists Science Podcasts and Science Radio Shows
• SETI, Aliens and the Origins of Life - Podcasts
• The National Astronomy Meeting - Podcasts
• Analysing Asteroids - Podcasts
• The British Science Festival - Podcasts
• Forward To The Moon - Features