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Martian rock collecting: From meteorites to Mars Sample Return
From: Mat Kaplan
Series: Planetary Radio
Caption: This illustration shows a concept for multiple robots that would team up to ferry to Earth samples collected from the Mars surface by NASA’s Mars Perseverance rover., Credit: NASA/ESA/JPL-CalTech
Meenakshi Wadhwa, principal scientist for Mars Sample Return at NASA JPL, updates us on the missions that will bring bits of the red planet back to...

Bought by Key Radio KEYK 89.3 FM, KIYU-FM, KWMR, KBUT Crested Butte, Colo., WJCU and more


  • Added: Feb 21, 2023
  • Length: 28:50
  • Purchases: 12
Are we alone? The search for alien technosignatures
From: Mat Kaplan
Series: Planetary Radio
Caption: Data from the 100-meter Robert C. Byrd Green Bank Telescope is analyzed by volunteers in the new Are We Alone in the Universe project., Credit: NRAO Green Bank Observatory
A new volunteer SETI science project to search for alien technosignatures has launched! Two of its creators tell you how to sign up.

Bought by Key Radio KEYK 89.3 FM, KIYU-FM, KVSC, KWMR, KBUT Crested Butte, Colo. and more


  • Added: Feb 14, 2023
  • Length: 28:50
  • Purchases: 12
2023-02-12 The Philosophical Legacy of Darwin
From: Philosophy Talk
Series: Philosophy Talk
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Charles Darwin (born February 12, 1809) fundamentally changed our understanding of human life—for better or for worse?

Bought by KTSW 89.9, GCR (Global Community Radio), KSKQ, and KMUN


  • Added: Feb 13, 2023
  • Length: 53:59
  • Purchases: 4
More on Mars’ Watery History
From: Mat Kaplan
Series: Planetary Radio
Caption: This color image of the Martian surface in the Chryse area was taken by Viking Lander 1, looking southwest, about 15 minutes before sunset., Credit: NASA/JPL-Caltech
Mars expert Tanya Harrison shares the details on some of the newest discoveries about Mars’ history, including potential megatsunamis and the disco...

Bought by KBUT Crested Butte, Colo., Key Radio KEYK 89.3 FM, C89.5 - KNHC Seattle, KIYU-FM, WMUU-LP and more


  • Added: Feb 07, 2023
  • Length: 28:50
  • Purchases: 15
2307: The Philosophical Legacy of Darwin, 2/14/2023
From: Philosophy Talk
Series: Philosophy Talk: Weekly
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Charles Darwin (born February 12, 1809) fundamentally changed our understanding of human life—for better or for worse?

  • Added: Feb 07, 2023
  • Length: 53:59
Glyphosate: What You Need to Know and What You Can Do About It with Kelly Ryerson
From: Jack Eidt
Series: EcoJustice Radio
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Join Kelly Ryerson, founder of Glyphosate Facts, as she reveals truths about glyphosate, one of the most common ingredients in herbicides and the m...

  • Added: Feb 03, 2023
  • Length: 58:00
JWST confirms its first exoplanet
From: Mat Kaplan
Series: Planetary Radio
Caption: An illustration of LHS 475 b based on our current understanding of the planet from JWST spectroscopy., Credit: NASA, ESA, CSA, Leah Hustak (STScI)
We celebrate the James Webb Space Telescope's first confirmed exoplanet discovery this week on Planetary Radio. Jacob Lustig-Yaeger, one of the lea...

Bought by C89.5 - KNHC Seattle, KIYU-FM, KBUT Crested Butte, Colo., KCNP, KWMR and more


  • Added: Feb 01, 2023
  • Length: 28:50
  • Purchases: 12
Juno Journeys to Jupiter’s Moons
From: Mat Kaplan
Series: Planetary Radio
Caption: An image of Ganymede obtained by the JunoCam imager during Juno’s June 7, 2021, flyby of Jupiter's icy moon., Credit: NASA/JPL-Caltech/SwRI/MSSS
Dive into the latest discoveries about Jupiter’s moons, Ganymede, Europa, and Io, with Scott Bolton, the principal investigator for NASA’s Juno mis...

Bought by KVSC, C89.5 - KNHC Seattle, KIYU-FM, KBUT Crested Butte, Colo., KWMR and more


  • Added: Jan 24, 2023
  • Length: 28:50
  • Purchases: 13
2023-01-22 Why Trust Science?
From: Philosophy Talk
Series: Philosophy Talk
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When the truths of science are always shifting, why should we still trust it?

Bought by WVTF, WNED Buffalo, GCR (Global Community Radio), KTSW 89.9, KMUN and more


  • Added: Jan 23, 2023
  • Length: 54:00
  • Purchases: 7
2304: Why Trust Science?, 1/24/2023
From: Philosophy Talk
Series: Philosophy Talk: Weekly
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When the truths of science are always shifting, why should we still trust it?

  • Added: Jan 22, 2023
  • Length: 54:00
RESCUE, part 2: Ocean Science Imperative
From: World Ocean Observatory
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This week on World Ocean Radio, part two of a multi-part series entitled RESCUE, outlining a new plan for the ocean and a new perspective to enable...

  • Added: Jan 19, 2023
  • Length: 05:27
Celebrating NASA’s Artemis I mission to the Moon
From: Mat Kaplan
Series: Planetary Radio
Caption: Artemis 1 begins its successful lunar mission.
Jeremy Graeber, the assistant launch director at Kennedy Space Center in Florida, joins Planetary Radio to recount his experience on the night of A...

Bought by C89.5 - KNHC Seattle, KIYU-FM, KWMR, WMUU-LP, WJCU and more


  • Added: Jan 11, 2023
  • Length: 28:50
  • Purchases: 13
Planetary Radio stories with Mat Kaplan
From: Mat Kaplan
Series: Planetary Radio
Caption: Sarah Al-Ahmed, the new host of Planetary Radio, shaking hands with Mat, creator and former host of the show after their last in-person recording on Dec. 22, 2022., Credit: Bruce Betts/The Planetary Society
New host Sarah Al-Ahmed bids a fond farewell to Mat Kaplan, Planetary Radio’s former host, in a special interview as Mat shares stories from his tw...

Bought by C89.5 - KNHC Seattle, KIYU-FM, KBUT Crested Butte, Colo., KWMR, WJCU and more


  • Added: Jan 03, 2023
  • Length: 28:50
  • Purchases: 11
Planetary Society All-Stars Review the Year in Space
From: Mat Kaplan
Series: Planetary Radio
Caption: NASA’s James Webb Space Telescope reveals emerging stellar nurseries and individual stars in the Carina Nebula that were previously obscured., Credit: NASA, ESA, CSA, and STScI
For his last episode as host, Mat Kaplan welcomes many of his Planetary Society colleagues for a review of a spectacular year of space exploration.

Bought by KIYU-FM, KWMR, KBUT Crested Butte, Colo., KCNP, WXAV 88.3FM Chicago and more


  • Added: Dec 28, 2022
  • Length: 28:50
  • Purchases: 9
Artemis 1 Orion capsule comes home
From: Mat Kaplan
Series: Planetary Radio
Caption: The Artemis 1 Orion spacecraft on board the USS Portland after its historic journey around the Moon., Credit: Mat Kaplan
Host Mat Kaplan greets the Orion capsule that has just returned from the Moon.

Bought by KIYU-FM, KWMR, KBUT Crested Butte, Colo., WMUU-LP, KRZA and more


  • Added: Dec 20, 2022
  • Length: 28:50
  • Purchases: 11
Good Night Oppy! Hello Mars!
From: Mat Kaplan
Series: Planetary Radio
Caption: A Mars Exploration Rover crosses the Red Planet in this artist's concept., Credit: NASA/JPL-Caltech
Bill Nye and Planetary Society members join Mars Exploration Rover Opportunity scientists at a screening of the excellent new documentary about the...

Bought by KIYU-FM, C89.5 - KNHC Seattle, WJCU, WORT, WMUU-LP and more


  • Added: Dec 07, 2022
  • Length: 28:50
  • Purchases: 13
Celebrating Planetary Radio’s 20th Anniversary with Bill Nye
From: Mat Kaplan
Series: Planetary Radio
Caption: Host Mat Kaplan reports from the Red Planet on Planetary Radio's 20th anniversary.
Join the Planetary Society’s CEO and others as we mark Planetary Radio’s entry into its third decade.

Bought by C89.5 - KNHC Seattle, WJCU, KBUT Crested Butte, Colo., KRZA, KCNP and more


  • Added: Nov 30, 2022
  • Length: 28:50
  • Purchases: 12
Giving the University of Arizona Mirror Lab a spin
From: Mat Kaplan
Series: Planetary Radio
Caption: Planetary Radio host and his Mirror Lab tour guide Buell Jannuzi with one of the seven huge mirrors for the Giant Magellan Telescope. , Credit: Mat Kaplan
Join us for a tour of the University of Arizona’s Mirror Lab where they use a giant, spinning oven filled with molten glass to create the primary m...

Bought by C89.5 - KNHC Seattle, KIYU-FM, WXAV 88.3FM Chicago, WMUU-LP, KICI Iowa City and more


  • Added: Nov 21, 2022
  • Length: 28:50
  • Purchases: 12
Voyager Mission Project Scientist Linda Spilker
From: Mat Kaplan
Series: Planetary Radio
Caption: Linda Spilker and Planetary Radio host Mat Kaplan check out the geysers emanating from a model of Saturn's moon Enceladus at JPL., Credit: Mat Kaplan
Cassini Mission Project Scientist Linda Spilker has now taken on the same job for the Voyager Interstellar Mission.

Bought by KIYU-FM, C89.5 - KNHC Seattle, KWMR, WJCU, KRZA and more


  • Added: Nov 16, 2022
  • Length: 28:50
  • Purchases: 12
Ann Druyan wishes you a happy Sagan Day
From: Mat Kaplan
Series: Planetary Radio
Caption: Carl Sagan was a co-founder of The Planetary Society., Credit: The Planetary Society
Celebrate Carl Sagan’s birthday with his longtime collaborator and life partner Ann Druyan.

Bought by C89.5 - KNHC Seattle, KIYU-FM, KWMR, WJCU, WMUU-LP and more


  • Added: Nov 09, 2022
  • Length: 28:50
  • Purchases: 12
Averting Devastation and Building a Resilient Future post Hurricane Ian with Valerie Slack Architect
From: Ken Grey
Series: Maximum Health Radio "Quality Living" with Dr Ken Grey Holistic Physician
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Averting Devastation and Building a Resilient Future post Hurricane Ian with Valerie Slack Architect. Founder of Native Design and President of The...

  • Added: Nov 04, 2022
  • Length: 26:14
DART smacked an asteroid! So what’s next in planetary defense?
From: Mat Kaplan
Series: Planetary Radio
Caption: This artist's concept shows the Wide-field Infrared Survey Explorer, or WISE spacecraft, in its orbit around Earth. In 2013, the mission was brought out of hibernation to hunt for more asteroids and comets in a project called NEOWISE., Credit: NASA/JPL-Caltech
The Double Asteroid Redirection Test was a brilliant success. The leaders of NASA’s Planetary Defense Coordination Office tell us what’s next in th...

Bought by C89.5 - KNHC Seattle, KIYU-FM, Key Radio KEYK 89.3 FM, KWMR, WJCU and more


  • Added: Nov 01, 2022
  • Length: 28:50
  • Purchases: 14
Meet the new Planetary Radio host!
From: Mat Kaplan
Series: Planetary Radio
Caption: New host Sarah Al-Ahmed is introduced by current host and Planetary Radio creator Mat Kaplan in this week's episode.
After 20 years at the helm, Mat Kaplan introduces the person who will take over Planetary Radio when the new year begins.

Bought by Key Radio KEYK 89.3 FM, KIYU-FM, WJCU, KCNP, KWMR and more


  • Added: Oct 25, 2022
  • Length: 28:50
  • Purchases: 12
Eyes on the Sky: Spacewatch and the Catalina Sky Survey
From: Mat Kaplan
Series: Planetary Radio
Caption: One of the Catalina Sky Survey/Steward Observatory telescopes on Mt. Lemmon prepares for another night of asteroid hunting., Credit: CSS/Steward Observatory
Meet leaders of two of the most successful Earth-based searches for asteroids, including many thousands that could threaten Earth.

Bought by Key Radio KEYK 89.3 FM, KIYU-FM, WJCU, KWMR, WXAV 88.3FM Chicago and more


  • Added: Oct 19, 2022
  • Length: 28:50
  • Purchases: 12
Innovate! NASA’s leading-edge fellows share their amazing projects
From: Mat Kaplan
Series: Planetary Radio
Caption: Artist's concept of an advanced, spaceship., Credit: NASA/MSFC
Join us at the 2022 NASA Innovative Advanced Concepts (NIAC) Symposium for a taste of projects that just might change the world.

Bought by KBUT Crested Butte, Colo., Key Radio KEYK 89.3 FM, KIYU-FM, KCNP, WMUU-LP and more


  • Added: Oct 12, 2022
  • Length: 28:50
  • Purchases: 13