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.

Search Planetary Radio

A hundred weeks in space exploration

Sarah Al-Ahmed, the host of Planetary Radio, marks her one-hundredth episode with a look back at the defining moments of the past 100 weeks of space exploration.

An asteroid bash and an asteroid smash

We observe Asteroid Day with an update on NASA’s Double Asteroid Redirection Test (DART) mission with the Asteroid Foundation’s Markus Payer and JHUAPL’s Terik Daly.

Psyche and Eclipse Company blast off

Jesse Tomlinson and Stephen Watkins from The Eclipse Company join Planetary Radio to talk about their partnership with The Planetary Society and the launch of their new eclipse map for the upcoming 2024 total solar eclipse in North America.

Simulating Psyche: Modeling craters on a metallic world

Simone Marchi, co-investigator for NASA’s Psyche mission, joins Planetary Radio to share the creative ways their mission team is working to understand cratering on metallic worlds.

Space Policy Edition: JPL Director wants "every brain" to have the chance to work in space exploration

Jet Propulsion Laboratory Director Laurie Leshin wants to give every brain in the country the opportunity to work in space exploration.

Portrait of a Scientist: A Conversation with Psyche mission leader Lindy Elkins-Tanton

Psyche asteroid mission principal investigator Lindy Elkins-Tanton returns with her excellent new memoir, A Portrait of the Scientist as a Young Woman.

Heavy Metal: An encounter with the Psyche spacecraft

Suit up for an up-close encounter with the Psyche spacecraft that will soon launch toward the asteroid belt.

Ben Miller Says The Aliens are Coming!

We are joined by British physicist turned comedian and actor Ben Miller, author of The Aliens are Coming! The Extraordinary Science Behind our Search for Life in the Universe.