Since 2002, Planetary Radio has visited with a scientist, engineer, project manager, advocate, or writer who provides a unique perspective on the quest for knowledge about our Solar System and beyond. The full show archive is available for free.

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Astropulse: A New Way for ET to Phone Home

Astropulse: A New Way for ET to Phone Home

SETI@Home Chief Scientist Dan Werthimer Says Sorry, Wrong Number

SETI@Home Chief Scientist Dan Werthimer Says Sorry, Wrong Number

SETI@home Aims Arecibo at the Best ET Candidates

SETI@home Aims Arecibo at the Best ET Candidates