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Planetary Radio: Space Exploration, Astronomy and Science

The Planetary Society

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

science

All Episodes

57:32

Building Our Future on Mars

Planetary Radio: Space Exploration, Astronomy and... ·

2020/03/18

How will we build the structures, roads and landing pads humans will someday need on Mars? Civil engineer Peter Carrato has been building grand structures on Earth for decades.He says the skills we’ve learned over thousands of years are well-suited for the much more challenging Martian environment. Planetary Society CEO Bill Nye the Science Guy returns with a message of care, hope and vision for our troubled times. And a bacon asteroid is just one of the absurdities Bruce Betts and Mat Kaplan

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47:03

The Return of Cosmos and Ann Druyan

Planetary Radio: Space Exploration, Astronomy and... ·

2020/03/11

Cosmos: Possible Worlds is the third season of the beautiful, groundbreaking television series helmed by the late Carl Sagan’s widow and partner, Ann Druyan. Ann returns to tell us about the show and her new companion book of the same name. You might win a hardcover copy in this week’s What’s Up space trivia contest. The equinox edition of The Planetary Report has arrived! Planetary Society Editorial Director Jason Davis provides an overview. Learn more on week’s show page:

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66:41

Space Policy Edition: NASA's 2021 Budget Request...

Planetary Radio: Space Exploration, Astronomy and... ·

2020/03/06

It's officially budget season! NASA's fiscal year 2021 budget request is out, and it proposes billions of dollars of new funding for Project Artemis. But not every program is so lucky: the WFIRST space telescope, two Earth Science missions, two Mars missions, and NASA's STEM engagement program are slated for cancellation. Why is Artemis growing and science shrinking? Will Congress let those cuts happen? The Society's Chief of D.C. Operations, Brendan Curry, joins Casey Dreier and Mat Kaplan to break

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58:48

African Eyes Look to the Cosmos

Planetary Radio: Space Exploration, Astronomy and... ·

2020/03/04

One people, one sky. That motto belongs to Astronomers Without Borders.Its founder and retired leader, Mike Simmons, recently brought a guest to Planetary Society headquarters. Olayinka Fagbemiro is with the Nigerian space agency and also heads Astronomers Without Borders in her nation. Emily Lakdawalla tells us about four exciting planetary science missions that are currently competing for selection by NASA. Bruce Betts tells us about the search for 100 earths as he also asks us to find a citizen

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45:17

The Search for 100 Earths

Planetary Radio: Space Exploration, Astronomy and... ·

2020/02/26

Yale astronomer Debra Fischer has spent decades hunting for exoplanets. Now she leads the 100 Earths project that includes the Lowell Observatory and astrophysicist Joe Llama. Debra and Joe join us for a conversation about this search for worlds that could be like our own. There’s big space news in this week’s edition of The Downlink at the top of the show, and Bruce Betts takes us on his weekly tour of the night sky, though it’s the pre-dawn sky that may hold the most wonder. Try your hand at the

en-US

70:27

Life=Matter+Information: Paul Davies and the Demon in...

Planetary Radio: Space Exploration, Astronomy and... ·

2020/02/19

Physicist, cosmologist, astrobiologist and author Paul Davies’ new book explores what he believes to be the defining quality of life on Earth and perhaps elsewhere. He talks about this and much more in a special, extended conversation. Paul’s book is one of the prizes in the new What’s Up space trivia contest.Learn more and enter the contest at https://www.planetary.org/multimedia/planetary-radio/show/2020/0219-2020-paul-davies-demon-in-machine.htmlSee omnystudio.com/listener for privacy

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51:27

Another Goldilocks World and the Space Telescope That...

Planetary Radio: Space Exploration, Astronomy and... ·

2020/02/12

The planet has the less than romantic name TOI 700 d, but its discovery has generated passion among those searching for another Earth, including Emily Gilbert. The graduate student is lead author of a paper about the new world. TESS, the Transiting Exoplanet Survey Satellite, played a key role in its discovery. MIT planetary scientist and astrophysicist Sara Seager returns to tell us about this powerful tool and more. We also visit with the leader of NASA heliophysics research as she awaits launch

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73:28

Space Policy Edition: Is the Moon a Stepping-Stone or...

Planetary Radio: Space Exploration, Astronomy and... ·

2020/02/07

A new bill from the House of Representatives threatens to upend NASA's Artemis program and refocus the space agency on sending humans to Mars by 2033. Space policy expert Laura Seward Forczyk joins the show to share her critiques of this proposed legislation and what it would mean for NASA's human spaceflight program. Learn more about this month’s topics through links on the episode page. https://www.planetary.org/multimedia/planetary-radio/show/2020/space-policy-edition-46.htmlSee

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84:58

A Great Space Observatory Goes Dark: The Legacy of...

Planetary Radio: Space Exploration, Astronomy and... ·

2020/02/05

The Spitzer Space Telescope, one of NASA’s four great space observatories, was decommissioned on January 30. Mat Kaplan celebrates its discoveries and legacy with three leaders of the mission in this special extended episode. Mars has a supporting role in the new Star Trek: Picard streaming series. Planetary Society Solar System Specialist Emily Lakdawalla says the Red Planet never looked better! And you’ll have a chance to win a great new book about the Spitzer Space Telescope in this week’s What’s

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31:54

Mighty Jupiter Revealed

Planetary Radio: Space Exploration, Astronomy and... ·

2020/01/29

It’s more massive than all the other planets combined. In nearly four years at Jupiter the Juno spacecraft has returned science that is revolutionizing our understanding of this gigantic world. Principal investigator Scott Bolton shows us the mysterious cyclones at its poles and that famously persistent red spot. Casey Dreier says the United States House of Representatives has proposed legislation that is at odds with NASA’s current Moon and Mars plans. John Flamsteed almost discovered Uranus! Bruce

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62:35

The Coming Descent to Asteroid Bennu

Planetary Radio: Space Exploration, Astronomy and... ·

2020/01/22

After a year of circling close to near-Earth asteroid Bennu, the OSIRIS REx spacecraft is almost ready to dip down and collect a surface sample for return to labs on our home planet. Principal Investigator Dante Lauretta prepares us for this exciting event and shares the great science already accomplished. Editorial Director Jason Davis stops by with a report on the successful test by SpaceX of its Crew Dragon escape system. Are we finally about to see astronauts using it to reach the International

en-US

59:45

The MILO Institute: Opening the Solar System for...

Planetary Radio: Space Exploration, Astronomy and... ·

2020/01/15

Planetary scientist and bestselling author Jim Bell is joined by space entrepreneur Lon Levin to tell us about the MILO Institute, a new collaboration by Arizona State University, Lockheed Martin and other organizations that hopes to make robotic exploration of our solar system much more accessible. Solar System Specialist Emily Lakdawalla takes us to the newly-discovered habitable zone world that’s a mere 100 light years from Earth. What’s Up becomes the new home for space jokes! Learn more and

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68:11

Space Policy Edition: Houston, We Have a Space Force...

Planetary Radio: Space Exploration, Astronomy and... ·

2020/01/10

Legislation signed by President Trump in December formally established the 6th branch of the U.S. armed services, the first such expansion in 72 years. What exactly will the new Space Force do? How big of a deal is this? What does this mean for the militarization of space? Dr. Brian Weeden from the Secure World Foundation joins the show to help us answer those questions. Learn more about this month’s topics through links on the episode page.

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47:34

In the Clean Room With the Mars 2020 Rover

Planetary Radio: Space Exploration, Astronomy and... ·

2020/01/08

Put on your bunny suit! You’re invited to join Mat Kaplan and Emily Lakdawalla in the Jet Propulsion Lab clean room with the Mars 2020 rover. You’ll hear JPL Director Michael Watkins and some of the engineers who have built the robotic explorer that will collect samples for eventual return to Earth. The What’s Up space trivia contest asks you to look for rhymes among our solar system’s many moons. Learn more and enter the contest at

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77:08

Planetary Society All-Stars Look Back at 2019 and...

Planetary Radio: Space Exploration, Astronomy and... ·

2020/01/01

Happy new year in space! Editorial Director Jason Davis, Chief Advocate Casey Dreier and Solar System Specialist Emily Lakdawalla join Mat Kaplan for a review of 2019’s biggest news from the final frontier. Our experts then turn to the promise of 2020 for Mars exploration, humans in space and much more. The theme continues as Planetary Society Chief Scientist Bruce Betts adds his highlights in a special What’s Up segment. Got a great joke that combines space and the new year? You might win this

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46:55

What’s Next for Mars Exploration?

Planetary Radio: Space Exploration, Astronomy and... ·

2019/12/25

The Red Planet is slowly revealing its deepest secrets, but there’s much more to learn. The biggest mystery is whether it has ever been home to life. Caltech and JPL planetary scientist Bethany Ehlmann lays out the path ahead in a fascinating conversation. The holiday night sky is alive with stars, planets and even a meteor shower. Bruce Betts will tell all in What’s Up. Our last episode of the year opens with space exploration headlines from the Planetary Society’s news digest, The Downlink. Learn

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38:51

Meet the Planetary Society’s Newest Asteroid Hunters

Planetary Radio: Space Exploration, Astronomy and... ·

2019/12/18

Six amateur astronomers and small observatories around the world have just been named as the recipients of the 2019 Eugene Shoemaker Near Earth Object grants.You’ll meet an Italian who watches the skies in Sicily and a Minnesota high school teacher who remotely operates a telescope in Texas. Chief scientist Bruce Betts will tell us why the Society has proudly awarded this funding for 22 years. He’ll return for this week’s What’s Up. We’ve also got space exploration headlines from The Downlink. Learn

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64:55

The Creators of The Expanse

Planetary Radio: Space Exploration, Astronomy and... ·

2019/12/11

Season 4 of The Expanse is about to begin on Amazon Prime. Host Mat Kaplan visits with the authors of the eight novels (so far) that are the basis of this outstanding hard science fiction series that begins with humankind having become a spacefaring species that spans the solar system.We’ve also got space headlines from The Downlink.Bruce Betts celebrates more recognition for the Planetary Society’s LightSail project in this week’s What’s Up.

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97:01

Space Policy Edition: The Biggest Policy Moments of...

Planetary Radio: Space Exploration, Astronomy and... ·

2019/12/06

As the 2010s come to a close, Marcia Smith, the founder of Space Policy Online, rejoins the show to explore the most significant and impactful space policy decisions of the 2010s. Mat and Casey also discuss the recently-approved European Space Agency budget, and what it means for planetary defense and Mars sample return efforts. Learn more about this month’s topics through links on the episode page. https://www.planetary.org/multimedia/planetary-radio/show/2019/space-policy-edition-44.htmlSee

en-US

46:17

A Toast to Alcohol in Space

Planetary Radio: Space Exploration, Astronomy and... ·

2019/12/04

They are not for everyone, but there’s no doubt that alcoholic beverages have been part of human culture for as long as there has been human culture. And there’s no reason to think booze won’t follow us across the solar system. Host Mat Kaplan talks with Chris Carberry about his comprehensive and eye-opening book, Alcohol in Space: Past, Present and Future. The December Solstice edition of The Planetary Report has just been published online. Editor-in-chief Emily Lakdawalla provides an enticing

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1,328 results

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