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    Short WaveHot galaxies alert!
    8 minEpisode 1410

    Hot galaxies alert!

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    Most astronomers agree that young galaxy clusters should be relatively cool compared to older ones. But researchers recently found a very young cluster that’s hotter than the surface of the sun. More on why the finding is so shocking, plus elephant’s remarkable sniffing abilities and a new discovery about butterfly migration in this episode of Short Wave.

    Interested in more science news? Email us your question at shortwave@npr.org.

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    © NPRLength 8 min9 January 2026Episode 1410ScienceFactsEducationalUSAEpisodic

    Introducing Short Wave

    Introducing Short Wave

    This is an episodic podcast, so you can listen to it in any order, but episode one is a great place to start.

    Listen to episode one here
    11+ScienceFactsEducationalUSAEpisodic9 January 2026© NPR

    Most astronomers agree that young galaxy clusters should be relatively cool compared to older ones. But researchers recently found a very young cluster that’s hotter than the surface of the sun. More on why the finding is so shocking, plus elephant’s remarkable sniffing abilities and a new discovery about butterfly migration in this episode of Short Wave.

    Interested in more science news? Email us your question at shortwave@npr.org.

    Listen to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave+ at plus.npr.org/shortwave.

    See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.

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    © NPR |Original Episode URL. The content, artwork and advertising within this podcast is not owned or affiliated with Sound Carrot and remain the property of their respective owners.


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