The U.S. space agency will aim to send a nuclear-powered spacecraft to Mars—a first—in a bid to show that nuclear propulsion ...
NASA plans to launch its first nuclear-powered interplanetary spacecraft in 2028, a probe called Space Reactor-1 Freedom that will carry helicopters to Mars.
A peer-reviewed study modeling Mars transit times for chemical propulsion rockets found that even optimized Starship-class trajectories would still require roughly three months to reach the Red Planet ...