Radiolab Radiolab

Moon Trees

Jan 2, 2026

Summary

This Radiolab episode honors disability activist Alice Wong by exploring the story of "moon trees." Host Lulu Miller and guest Natalie Middleton recount how astronaut Stuart Roosa took tree seeds to the moon on Apollo 14 in 1971. The seeds survived the journey and were planted across the US, with many locations now forgotten. The episode highlights a modern effort to map these trees, framing them as accessible connections to space exploration.

Topics discussed

Sponsors: MoMA PS1, Progressive, and Apartments.com Tribute to Alice Wong and her love for the moon Terrestrials intro: The story of the moon trees Stu 'Smokey' Russo: From smokejumper to Apollo 14 pilot The science of space seeds and children's wild theories Sponsors: Progressive, Apartments.com, Taco Bell, Planet Money Apollo 14 launch, lunar orbit, and the far side of the moon Return to Earth, seed explosion, and planting the moon trees Rediscovering the moon trees and Natalie's map Natalie visits a moon tree in San Luis Obispo Badgering questions: Time dilation and growing plants in space Closing tribute to Alice Wong and staff credits
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