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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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Astrobiologist David Grinspoon on life, the universe and everything
Astrobiologist and author David Grinspoon shares his thoughts about the search for life, where we might find it and how science works.
Chasing New Horizons to Pluto with Alan Stern and David Grinspoon
The New Horizons mission was a triumph, revealing Pluto as an utterly unique and beautiful world. But the mission first had to survive challenge after challenge, fighting to be developed, meeting a nearly impossible launch deadline, and then narrowly avoiding disaster when it was barely a week from its destination.