Once Upon A Planet Audio Program featuring Jill Tarter

Science fiction writers have been dreaming up planets - and aliens - for years. But recently, astronomers have discovered hundreds of planets far beyond our solar system. Is there life on those planets, too? In fact and in fiction, Stephen Humphrey explores our need to know that we're not alone in the cosmos.

Participants in the program:

Ray Jayawardhana, Canada Research Chair in Observational Astrophysics at University of Toronto.

Robert J. Sawyer, science fiction novelist. 

Jack Cohen, biologist, science writer and science fiction author. 

Gregory Benford, Professor of Physics and Astronomy at University of California Irvine, and science fiction author.

Britney Schmidt, Assistant Professor at Georgia Institute of Technology, School of Earth and Atmospheric Sciences.

Jill Tarter, Director, Center for SETI Research (until 2012), Bernard M. Oliver Chair for the SETI Institute.

Read the rest and listen to the audio program