Subsurface granite on the Moon? The anatomy of a lunar hot spot
A decades-old lunar mystery gets an update in this week's Planetary Radio. Matt Siegler from the Planetary Science Institute shares his team's surprising findings about the granite formation that migh...
2 Aug 20231h 3min
An essential ingredient for life in the oceans of Enceladus
Phosphorus, a key ingredient for life on Earth, has been detected in the ocean of Saturn's moon Enceladus. This discovery marks the first time phosphorus has been found in an ocean off of Earth. Chris...
26 Jul 20231h 6min
Mars' Axial Tilt: A Key to Gully Formation
The gullies of Mars may appear similar to water-carved channels on Earth, but their formation is more complex than meets the eye. Caltech's Jay Dickson joins Planetary Radio to discuss the planet’s ch...
19 Jul 202356min
Comparing the rivers of Earth, Mars, and Titan
Get ready for a journey across the rivers of our Solar System in this week's Planetary Radio. Sam Birch, an assistant professor at Brown University, explores what we know about the alluvial rivers of ...
12 Jul 202359min
Space Policy Edition: What’s Going on with: Congress, MSR, and ?
We check in on the congressional budget process for NASA, Mars Sample Return’s spiraling cost growth, and the impending end of the regulatory holiday for human commercial space launch companies. Jack ...
7 Jul 202356min
Humans to Mars by the 2030s? NASA Associate Administrators weigh in
It's going to take a lot of collaboration to get humans to Mars, but we're up for the challenge. This week on Planetary Radio, Mat Kaplan, senior communications adviser at The Planetary Society, takes...
5 Jul 20231h
2Fast 2Curious: Finding the source of the fast solar wind
Some solar mysteries, like the origin of the fast solar wind, can only be solved by getting up close and personal with the Sun. James Drake from the University of Maryland joins Planetary Radio this w...
28 Jun 202354min
The disappearing act of Saturn's young rings
Saturn's rings are so young that they may have formed when dinosaurs walked the Earth. Richard Durisen, a Professor Emeritus of Astronomy from Indiana University Bloomington, and Paul Estrada, a Resea...
21 Jun 20231h 5min
