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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Europa: Life Beneath the Ice?

Europa: Life Beneath the Ice?

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6 Mars 200628min

Third Time's the Charm for Dan McCleese and the Mars Climate Sounder

Third Time's the Charm for Dan McCleese and the Mars Climate Sounder

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27 Feb 200628min

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20 Feb 200628min

Has NASA's Vision for Space Exploration Become Nearsighted?

Has NASA's Vision for Space Exploration Become Nearsighted?

Has NASA's Vision for Space Exploration Become Nearsighted?Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener...

13 Feb 200628min

Closing In On An Interplanetary Mystery:  The Pioneer Anomaly

Closing In On An Interplanetary Mystery: The Pioneer Anomaly

Closing In On An Interplanetary Mystery: The Pioneer AnomalyLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listene...

6 Feb 200628min

The Orion Nebula As You've Never Seen It

The Orion Nebula As You've Never Seen It

The Orion Nebula As You've Never Seen ItLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy inform...

30 Jan 200628min

A Great Week for Space Exploration

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Andrew Westphal on what's been found in the Stardust Sample Return Capsule and John Spencer on the New Horizons launch and the upcoming Jupiter flyby.Learn more about your ad choices. Visit megaphone....

23 Jan 200628min

Stardust Samples Streak Safely Home

Stardust Samples Streak Safely Home

Stardust Samples Streak Safely HomeLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information...

16 Jan 200628min

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