Revisiting K2-18 b: JWST finds a lead in the search for life on a mysterious exoplanet

Revisiting K2-18 b: JWST finds a lead in the search for life on a mysterious exoplanet

This week we revisit one of the most remarkable exoplanet discoveries of 2024 with the help of the James Webb Space Telescope (JWST). JWST detected signs of methane and carbon dioxide in the atmosphere of K2-18 b. Knicole Colón, the deputy project scientist for exoplanet science for JWST, explains how this discovery could reshape our search for life beyond Earth and teach us more about the enigmatic class of exoplanets known as sub-Neptunes. Stick around for What's Up with Bruce Betts, the chief scientist of The Planetary Society.

Discover more at: https://www.planetary.org/planetary-radio/2025-jwst-new-lead-in-search-for-life

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Journey to the Center of the Earth!

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Journey to the Center of the Earth!Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information...

19 Touko 200330min

Getting a Rover's-Eye View of Mars

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5 Touko 200328min

Looking Back: Jurrie van der Woude's 37 years at JPL

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Looking Back: Jurrie van der Woude's 37 years at JPLLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for pr...

28 Huhti 200335min

Return to Mars: Two Rover Landing Sites Chosen

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21 Huhti 200329min

A Microphone on Mars?

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What would you sound like on Mars? Berkeley researcher Greg Delory and the Planetary Society have developed the Mars Microphone, so that we can find out.Learn more about your ad choices. Visit megapho...

14 Huhti 200329min

Deep Space 1 / ET Phones Home!

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Deep Space 1 / ET Phones Home!Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

7 Huhti 200330min

Masters of Science Fiction

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Masters of Science FictionLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

31 Maalis 200329min

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