NASA’s new nuclear battery could run for 433 years living five human lifetimes By , ET OnlineLast Updated: Apr 04, 2026, 09:43:00 AM IST Synopsis Nuclear Space Batteries: NASA is developing a new nuclear battery using americium-241 that could last up to 433 years, far longer than current plutonium-238 systems. The technology promises reliable power for long-duration missions far from the Sun, potentially transforming deep space exploration. ( Ai generated image) Spacecraft operating far fr...