Could astronauts travel to Mars on nuclear-powered rockets? These scientists want to make it happenBy otako_fzbgs4 / September 24, 2025 The team’s design uses fission reactions involving uranium to heat propellant. Related posts: Catch solar bursts in new citizen science project Sped-up simulation of Hera’s Mars flyby Hera asteroid mission’s Mars flyby Watch live: Images from Hera’s Mars flyby