<ul data-eligibleForWebStory="false"><li>Donald Trump appoints Sean Duffy as interim administrator of Nasa, replacing Jared Isaacman.</li><li>Duffy, currently the transportation secretary, praised for his work on transportation infrastructure.</li><li>The appointment follows Trump's withdrawal of Isaacman's nomination, in the midst of tensions with Elon Musk.</li><li>Nasa faces budget cuts and talent drain, prompting concerns about losing ground in space exploration.</li></ul>

Trump names Sean Duffy as interim Nasa head after rejecting Elon Musk ally

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