Space Policy Edition: Is this the moment for in-space nuclear power?
The 2020s will be a decisive decade for in-space nuclear power. So argues Dr. Bhavya Lal, whose new report reframes the conversation around a simple idea: power, not propulsion, is nuclear's most imme...
1 Aug 20251h 10min
The science of sleep in space
How do astronauts get quality sleep in space? Erin Flynn-Evans, director of the Fatigue Countermeasures Laboratory at NASA Ames Research Center, joins Planetary Radio to explore how her team studies s...
30 Jul 202555min
New Horizons: Celebrating a decade since the Pluto flyby
On July 14, 2015, NASA’s New Horizons spacecraft made its historic flyby of Pluto, transforming our understanding of this distant world. Ten years later, we’re celebrating that iconic moment and the m...
23 Jul 20251h 13min
Book Club Edition: Andy Weir and Project Hail Mary
Author Andy Weir was as shocked as anyone when The Martian became a top bestseller novel in the US. He repeated that achievement with his equally mind-blowing science fiction masterpiece Project Hail ...
18 Jul 20251h 3min
Mat Kaplan’s first flight in zero-G
What happens when scientists, students, space communicators, and refugee engineers float together in zero gravity? Former Planetary Radio host Mat Kaplan joins a remarkable group of flyers aboard a Ze...
16 Jul 202558min
First images from the Vera C. Rubin Observatory
The Vera C. Rubin Observatory has shared its first public images, revealing millions of galaxies, stars, and asteroids in stunning detail. Stephanie Deppe, astronomy content strategist at Rubin Observ...
9 Jul 202559min
Space Policy Edition: Are Democrats falling behind on space policy?
Have Democrats ceded leadership in space policy? That’s what Mary Guenther believes. She’s the Director of Space Policy at the Progressive Policy Institute and the author of an editorial that claims D...
4 Jul 202559min
Space science and the Artemis Accords: Highlights from the 2025 H2M2 Summit
Recorded at the 2025 Humans to the Moon and Mars Summit (H2M2) in Washington, D.C., this episode features two powerful conversations about the future of human space exploration. Hosted by Mat Kaplan, ...
2 Jul 20251h 9min
