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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Beyond Earth’s Edge: A Celebrity Space Poetry Jam!

Creators of an outstanding new collection of poems about spaceflight and exploration join Mat Kaplan to talk about the book as Bill Nye and other notables read selections.

Finding Wonder and Meaning in a Book by Carl Sagan’s Daughter

Mat Kaplan talks with Sasha Sagan about For Small Creatures Such as We, and later joins Bruce Betts to offer the book in the new What’s Up space trivia contest.