Planetary Radio: Space Exploration, Astronomy and Science

The Planetary Society 1352 - LHS 1140b: The first atmosphere detected on a rocky habitable-zone exoplanet

Planetary Radio brings you the human adventure across our Solar System and beyond. We visit each week with the scientists, engineers, leaders, advocates, and astronauts who are taking us across the final frontier. Regular features raise your space IQ while they put a smile on your face. Join host Sarah Al-Ahmed and Planetary Society colleagues including Bill Nye the Science Guy and Bruce Betts as they dive deep into space science and exploration. The monthly Space Policy Edition takes you inside the DC beltway where the future of the US space program hangs in the balance. Visit planetary.org/radio for an episode guide and much more.

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Planetary Radio: Space Exploration, Astronomy and Science

Episodes

LHS 1140b: The first atmosphere detected on a rocky habitable-zone exoplanet

TERP RAPTOR: A student-built mission to asteroid Apophis

Hot Jupiters: The ‘Roasted Planet’ and the wrong-way hotspot

Book Club Edition: “The Edge of Space-Time” by Chanda Prescod-Weinstein

Sian Proctor and John Read on teaching babies to love the Cosmos

Small Town Universe: Inside Green Bank's Radio Quiet Zone

Space Policy Edition: What's going on with commercial space stations?

Rosalind Franklin and the search for life on Mars

Tianwen-2: China closes in on Kamoʻoalewa

Book Club Edition: “To Be Taught, If Fortunate” with Becky Chambers

Flying on Titan: The engineering of Dragonfly

U.S. space science in flux: Grant rules, rockets, and reorganization

Space Policy Edition: A proposal to stifle American science

Spacewoman with Eileen Collins

Los Angeles Astronomical Society celebrates 100 years of looking up

Twenty organic molecules found in an ancient Martian rock

Book Club Edition: Diane Ackerman and “The Planets: A Cosmic Pastoral”

Igniting Discovery: A showcase of NASA-funded research

Day of Action 2026: Rejoining the fight to save NASA science

Space Policy Edition: Why humans matter — The philosophy of Artemis II

Yuri's Night 2026: Celebrating 65 years of human spaceflight

Project Hail Mary hits the big screen

Book Club Edition: Founder and CEO Peter Beck on The Launch of Rocket Lab

Triumph and turmoil: Artemis II and the renewed fight to save NASA science

Artemis II launches to the Moon

Space Policy Edition: Return to Launch — Cape Canaveral's unlikely history

Artemis II’s AVATAR and a sungrazing comet

The astronaut health experiments of Artemis II

Book Club Edition: The Giant Leap: Why Space is the Next Frontier in the Evolution of Life

The 18th European Space Conference: Dreaming of European boots on the Moon

Starman: Looking back on a life exploring the Solar System

Space Policy Edition: Is there really a space race between the US and China?

Artemis update: NASA reshapes the road back to the Moon

Did an impact trigger cryovolcanism on Umbriel?

Book Club Edition: Planetary Society Chief Scientist Bruce Betts’ latest for kids

A new chapter at The Planetary Society: Jennifer Vaughn becomes CEO

Where did Earth’s water come from? Clues hidden in Apollo Moon dust

Space Policy Edition: What a NASA Authorization bill actually does

Europa’s quiet seafloor

Artemis II and III: The science that brings us back to the Moon

NASA science saved: Inside the 2026 budget victory

Book Club Edition: The Little Book of Aliens by Adam Frank

IMAP and the shape of the heliosphere

Voyager and the heliopause: Exploring where the Sun gives way to the stars

Space Policy Edition: Change for the Sake of Disruption at NASA

Looking back: Space exploration in 2025

Looking back: Space policy and advocacy in 2025

Book Club Edition: MOONS: The Mysteries and Marvels of our Solar System by Kate Howells

Galileo at 30: How a mission transformed our understanding of Jupiter

Space Policy Edition: The Moral Case for Space Science