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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NASA's Science Leader John Grunsfeld

John Grunsfeld closes our coverage of the Space Foundation’s 32nd annual Space Symposium in Colorado Springs. We also meet the leaders of the New Generation Space Leaders Program.

Planetary Radio Extra: Planetary Society Experts 2015 Review

Bruce Betts, Jason Davis, Casey Dreier and Emily Lakdawalla gather with Mat Kaplan for a fascinating and informative Planetary Radio Extra year-in-review roundtable discussion.

Sara Seager and the Search for Earth’s Twin

MIT planetary scientist and astrophysicist Sara Seager is on a quest. She wants to find a warm, wet exoplanet with signs of life. It could be Earth 2.0.

Visiting the AAS Meeting for a JWST Update and More

The 221st meeting of the American Astronomical Society was a great place to learn about the James Webb Space Telescope from Jason Kalirai and Dean C. Hines.

Exploring the XDF, The Deepest Image of Our Universe, With Garth Illingworth

UC Santa Cruz astronomer and XDF Principal Investigator Garth Illingworth takes us on a tour of this magnificent new image.