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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Turning the Spotlight to Uranus and Neptune with Heidi Hammel

Turning the Spotlight to Uranus and Neptune with Heidi Hammel

Turning the Spotlight to Uranus and Neptune with Heidi HammelLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listen...

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John Rummel: Protecting the Planets from Earth Invaders

John Rummel: Protecting the Planets from Earth Invaders

John Rummel: Protecting the Planets from Earth InvadersLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for...

10 Juli 200628min

Talking With the Top of the World: Stephen Grasby at the Europa Analog on Ellesmere Island

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Talking With the Top of the World: Stephen Grasby at the Europa Analog on Ellesmere IslandLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy informat...

3 Juli 200628min

Bob Pappalardo and the Mysteries of Europa

Bob Pappalardo and the Mysteries of Europa

Bob Pappalardo and the Mysteries of EuropaLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy info...

26 Juni 200628min

A Planetary System That Looks Like Home

A Planetary System That Looks Like Home

A Planetary System That Looks Like HomeLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy informa...

19 Juni 200628min

Solving Cosmic Mysteries Deep Under the Earth

Solving Cosmic Mysteries Deep Under the Earth

Art McDonald is Director of the Sudbury Neutrino Observatory, two kilometers deep in a nickel mine in northern Canada.Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/l...

12 Juni 200628min

Sending an SOS to Congress: Save Our Science!

Sending an SOS to Congress: Save Our Science!

Planetary Society Executive Director Lou Friedman talks about the Save Our Science campaign's recent trip to Washington.Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com...

5 Juni 200628min

Big Eye in the Martian Sky:  Mars Reconnaissance Orbiter Project Scientist Rich Zurek

Big Eye in the Martian Sky: Mars Reconnaissance Orbiter Project Scientist Rich Zurek

Mars Reconnaissance Orbiter Project Scientist Rich Zurek returns with an update on the craft now orbiting Mars.Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener...

29 Maj 200615min

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