NASA is building the first nuclear reactor-powered interplanetary spacecraft. How will it work?
SR-1 Freedom Mars flyby: NASA By Robin George Andrews, Published by MIT Technology Review, 14 April 2026 Just before Artemis II began its historic slingshot around the moon, Jared Isaacman, the recently confirmed NASA administrator, made a flurry of announcements from the agency’s headquarters in Washington, DC. He said the











