Space Policy Edition: Should a (potential) biosignature revive Mars Sample Return?
In 1996, a controversial claim of fossilized life in a Martian meteorite ignited a golden age of Mars exploration. Nearly 30 years later, a potential biosignature detected by the Perseverance rover at...
7 Nov 20251h 21min
Do Aliens Speak Physics?
If we ever meet intelligent extraterrestrials, will we even be able to talk about physics? Physicist Daniel Whiteson of UC Irvine and cartoonist Andy Warner join Sarah Al-Ahmed to explore one of scien...
5 Nov 202559min
Ripples on the Cosmic Ocean
What happens in space doesn’t stay in space. Historian Dagomar Degroot joins Planetary Radio host Sarah Al-Ahmed to explore how shifting solar cycles, volcanic eruptions on Venus, Martian dust storms,...
29 Okt 20251h 9min
2025 NASA’s Innovative Advanced Concepts Symposium: Part 2 — Hopping robots and the search for exoplanet magnetospheres
In this second installment of Planetary Radio’s coverage from the 2025 NASA Innovative Advanced Concepts Symposium in Philadelphia, Pennsylvania, host Sarah Al-Ahmed highlights more of the technologie...
22 Okt 20251h 1min
Book Club Edition: Space Craze by Margaret Weitekamp
The American fascination with spaceflight and what we might find out there began long before any human left Earth. It’s Dr. Margaret Weitekamp’s job to collect, document, and preserve the cultural art...
17 Okt 202555min
2025 NASA’s Innovative Advanced Concepts Symposium: Part 1 — Lunar glass and starshades
Each year, NASA’s Innovative Advanced Concepts program (NIAC) funds visionary ideas that could shape the future of space exploration. In this first of two episodes from the 2025 NIAC Symposium in Phil...
15 Okt 202553min
A Day of Action to save NASA science
On October 6, 2025, hundreds of space advocates from across the United States joined The Planetary Society and 20 partner organizations on Capitol Hill to deliver one clear message: protect NASA’s sci...
8 Okt 20251h
Space Policy Edition: China’s growing space science ambitions
If the United States is indeed in a space race with China, then we cannot abandon space science. That’s the claim made by Maxwell Zhu and The Planetary Society’s chief of space policy, Casey Dreier, i...
3 Okt 202548min
