Sarafina El-Badry Nance joins Planetary Radio to discuss her new book, Starstruck: A Memoir of Astrophysics and Finding Light in the Dark. We share a beautiful poem about exploration that will soon be on its way to Europa and let you know how you can put your name on the upcoming Europa Clipper mission. Then we check in with Bruce Betts for What's Up and an update on this week's night sky.


Discover more at: https://www.planetary.org/planetary-radio/2023-starstruck

Sarafina El-Badry Nance joins Planetary Radio to discuss her new book, Starstruck: A Memoir of Astrophysics and Finding Light in the Dark. We share a beautiful poem about exploration that will soon be on its way to Europa and let you know how you can put your name on the upcoming Europa Clipper mission. Then we check in with Bruce Betts for What's Up and an update on this week's night sky.
 Discover more at: <a href="https://www.planetary.org/planetary-radio/2023-starstruck">https://www.planetary.org/planetary-radio/2023-starstruck</a>

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.

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.

Planetary Radio: Space Exploration, Astronomy and Science

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 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, chief scientist for The Planetary Society, as they dive deep into the latest space news. The monthly Space Policy Edition takes you inside the DC beltway with Casey Dreier and Jack Kiraly to discuss the politics of space exploration in the US and advocacy actions you can take to support the missions that matter. Visit planetary.org/radio for the space trivia contest, an episode guide, and much more.

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 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, chief scientist for The Planetary Society, as they dive deep into the latest space news. The monthly Space Policy Edition takes you inside the DC beltway with Casey Dreier and Jack Kiraly to discuss the politics of space exploration in the US and advocacy actions you can take to support the missions that matter. Visit planetary.org/radio for the space trivia contest, an episode guide, and much more.

Sarafina El-Badry Nance joins Planetary Radio to discuss her new book, Starstruck: A Memoir of Astrophysics and Finding Light in the Dark.

Starstruck with Sarafina El-Badry Nance

This week on Planetary Radio, we mark a major leadership transition at The Planetary Society. Host Sarah Al-Ahmed sits down with Bill Nye, outgoing chief executive officer and newly appointed chief ambassador of The Planetary Society, and Jennifer Vaughn, incoming chief executive officer and former chief operating officer, for a candid conversation about this long-planned transition. Together, Bill and Jenn reflect on how the organization, under their shared leadership, grew into the world’s largest and most effective nonprofit dedicated to advancing the scientific exploration of space.

Then, Bruce Betts, chief scientist of The Planetary Society, joins Sarah for What’s Up. They discuss an upcoming planetary alignment on and around February 28, 2026.

Discover more at: https://www.planetary.org/planetary-radio/2026-jennifer-vaughn-ceo

This week on Planetary Radio, we mark a major leadership transition at The Planetary Society. Host Sarah Al-Ahmed sits down with Bill Nye, outgoing chief executive officer and newly appointed chief ambassador of The Planetary Society, and Jennifer Vaughn, incoming chief executive officer and former chief operating officer, for a candid conversation about this long-planned transition. Together, Bill and Jenn reflect on how the organization, under their shared leadership, grew into the world&rsquo;s largest and most effective nonprofit dedicated to advancing the scientific exploration of space.
Then, Bruce Betts, chief scientist of The Planetary Society, joins Sarah for What&rsquo;s Up. They discuss an upcoming planetary alignment on and around February 28, 2026.
Discover more at: <a href="https://www.planetary.org/planetary-radio/2026-jennifer-vaughn-ceo">https://www.planetary.org/planetary-radio/2026-jennifer-vaughn-ceo</a>

A new chapter begins at The Planetary Society as Jennifer Vaughn becomes CEO and Bill Nye steps into his new role as chief ambassador. 

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

Where did Earth’s water come from? In this episode of Planetary Radio, we explore how scientists are answering that question by studying a remarkably well-preserved record of the early Solar System: lunar samples brought back by the Apollo missions. Host Sarah Al-Ahmed is joined by Tony Gargano, postdoctoral fellow at the Lunar and Planetary Institute with the University Space Research Association and a research affiliate at NASA’s Johnson Space Center. Gargano studies lunar rocks and regolith to understand how planets form, evolve, and acquire key ingredients like water over time. By analyzing subtle chemical fingerprints preserved in Apollo-era lunar regolith, his work helps constrain how much water meteorites could have brought to Earth and what that means for our planet’s path to habitability.

The episode also features a short bonus segment with actor George Takei, recorded at the Academy Museum of Motion Pictures during a screening of “Star Trek IV: The Voyage Home.” Takei reflects on the enduring legacy of “Star Trek,” its influence on generations of scientists and explorers, and why he is excited about humanity’s return to the Moon in the Artemis era. He connects science fiction’s hopeful vision of the future with the real science helping us understand our origins today.

Discover more at: https://www.planetary.org/planetary-radio/2026-earth-water-apollo-moon-dust

Where did Earth&rsquo;s water come from? In this episode of Planetary Radio, we explore how scientists are answering that question by studying a remarkably well-preserved record of the early Solar System: lunar samples brought back by the Apollo missions. Host Sarah Al-Ahmed is joined by Tony Gargano, postdoctoral fellow at the Lunar and Planetary Institute with the University Space Research Association and a research affiliate at NASA&rsquo;s Johnson Space Center. Gargano studies lunar rocks and regolith to understand how planets form, evolve, and acquire key ingredients like water over time. By analyzing subtle chemical fingerprints preserved in Apollo-era lunar regolith, his work helps constrain how much water meteorites could have brought to Earth and what that means for our planet&rsquo;s path to habitability.
The episode also features a short bonus segment with actor George Takei, recorded at the Academy Museum of Motion Pictures during a screening of &ldquo;Star Trek IV: The Voyage Home.&rdquo; Takei reflects on the enduring legacy of &ldquo;Star Trek,&rdquo; its influence on generations of scientists and explorers, and why he is excited about humanity&rsquo;s return to the Moon in the Artemis era. He connects science fiction&rsquo;s hopeful vision of the future with the real science helping us understand our origins today.
Discover more at: <a href="https://www.planetary.org/planetary-radio/2026-earth-water-apollo-moon-dust">https://www.planetary.org/planetary-radio/2026-earth-water-apollo-moon-dust</a>

Scientists are using Apollo Moon dust to trace where Earth’s water came from and how our planet became habitable. Planetary scientist Tony Gargano explains how lunar samples reveal the history of ancient impacts, with a short bonus reflection from George Takei on “Star Trek” and the Artemis era.

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

What does a NASA authorization bill actually do, and why does it matter? In this episode of Space Policy Edition, we dig into one of the most misunderstood but powerful tools Congress uses to shape the future of U.S. space exploration.

Host Casey Dreier, chief of space policy at The Planetary Society, is joined by Jack Kiraly, the Society’s director of government relations, for a deep dive into how NASA authorization bills work, how they differ from appropriations, and why they can have decades-long consequences for science missions, human spaceflight, and planetary defense. The discussion also reflects on a major recent win for space advocates: Congress’s bipartisan decision to protect NASA science funding.

Discover more at: https://www.planetary.org/planetary-radio/spe-what-is-a-nasa-authorization-bill

What does a NASA authorization bill actually do, and why does it matter? In this episode of Space Policy Edition, we dig into one of the most misunderstood but powerful tools Congress uses to shape the future of U.S. space exploration.
Host Casey Dreier, chief of space policy at The Planetary Society, is joined by Jack Kiraly, the Society&rsquo;s director of government relations, for a deep dive into how NASA authorization bills work, how they differ from appropriations, and why they can have decades-long consequences for science missions, human spaceflight, and planetary defense. The discussion also reflects on a major recent win for space advocates: Congress&rsquo;s bipartisan decision to protect NASA science funding.
Discover more at: <a href="https://www.planetary.org/planetary-radio/spe-what-is-a-nasa-authorization-bill">https://www.planetary.org/planetary-radio/spe-what-is-a-nasa-authorization-bill</a>

Chief of Space Policy Casey Dreier and Director of Government Relations Jack Kiraly break down what NASA authorization bills actually do and why these laws matter for long-term U.S. space policy, from science missions to human spaceflight and planetary defense.

Starstruck with Sarafina El-Badry Nance

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