Planetary Radio Episodes
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.
After DOGE cuts, mass staff departures, and a blink-and-you-missed-it pivot to Mars, how much did NASA actually change in 2025? Space Policy Online founder Marcia Smith returns to assess a turbulent year.
Marcia Smith, founder of Space Policy Online, joins the show to discuss the motivations and risks of pursuing change at NASA - and how much change can ultimately happen with Congress holding the purse strings.
As the 2010s come to a close, Marcia Smith, the founder of Space Policy Online, rejoins the show to explore the most significant and impactful space policy decisions of the 2010s.
The counting continues as we publish this month’s special episode, with a handful of seats in the US Senate and House still up for grabs. But with the Democratic takeover of the House assured, and several longtime space advocates turned out, change is certainly coming.
He walked with Neil Armstrong on the moon, but that may not be his greatest legacy. Buzz Aldrin was joined by other space stars at the recent Humans To Mars Summit.


