The weekly half-hour Planetary Radio is public radio's only long format series looking at humankind's quest for knowledge about our solar system and beyond.
New episodes are published no later than 8:00am Pacific Time each Wednesday. Contact host and producer Mat Kaplan if you have questions or concerns.
Beginning with our December 7, 2015 episode, all files listed here are 192 kilobits per second stereo MP3s. Episodes prior to that date are 128 kbps stereo MP3s. Planetary Radio is also available as a mono MP2 from the Public Radio Satellite Service (PRSS) and the Public Radio Exchange (PRX). Pacifica's AudioPort makes episodes available as 192 kbps stereo MP3s. Information about the guests and topic of each week's show can be found on the Planetary Radio home page.
New to Planetary Radio? Have you moved the show on your schedule? Anything else we can do for you? Write to mat.kaplan@planetary.org.
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | Next » |
May 24, 2023 - Download
May 17, 2023 - Download
May 10, 2023 - Download
May 3, 2023 - Download
April 26, 2023 - Download
April 19, 2023 - Download
April 12, 2023 - Download
April 5, 2023 - Download
March 29, 2023 - Download
March 22, 2023 - Download
March 15, 2023 - Download
March 8, 2023 - Download
March 1, 2023 - Download
February 22, 2023 - Download
February 15, 2023 - Download
February 8, 2023 - Download
February 1, 2023 - Download
January 25, 2023 - Download
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | Next » |