Episode 4: Jonathan Lunine Part 2, Life Beyond Earth

In the second of two episodes, Dr. Jonathan Lunine, Chief Scientist at NASA's Jet Propulsion Laboratory, discusses the possibility of life existing elsewhere in the solar system and how scientists are able to get data from various NASA missions to address this question. Dr. Lunine is a member of the NationalAcademy of Sciences and is one of the founding board members of the Society of Catholic Scientists.