Just before the Artemis II crew began its historic slingshot around the moon this past April, NASA announced plans to build Space Reactor-1 Freedom. SR-1, the first-ever nuclear-reactor-­powered interplanetary spacecraft, is meant to fly an uncrewed mission to Mars by the end of 2028, arriving i...

Source: [MIT Tech Review](https://www.technologyreview.com/2026/10/21/1146061/nuclear-powered-spaceships-impossible-issue/)

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