Are We Alone? The Limits of Organic Life in Planetary Systems

The Sounds of Science from the National Academies show

Summary: The idea that life may exist elsewhere in the cosmos is exciting and exhilarating. However, the search for life in the cosmos begins with our understanding of life on Earth. This week's podcast looks at how we define life and what we need to do in order to better recognize, conserve, and study alien life that is encountered