Nuclear chain reactions could operate within the region because its uranium-mining location contained sufficient uranium-235. The groundwater functioned as a neutron moderator, reducing neutron ...

U.S.-German startup Focused Energy, which aims to build power plants fueled by fusion, said on Monday it has signed an ...

Solar panels are next to useless in the outer solar system, so NASA’s Voyager probes rely on nuclear batteries—technology ...

Powering spacecraft with solar energy may not seem like a challenge, given how intense the sun's light can feel on Earth.

Learn about fusion energy and some of the top companies investing in this potentially limitless clean power source.

For decades, the U.S. has led the race to clean, limitless nuclear fusion energy. Now China is catching up, spending twice as ...

Nuclear pulse propulsion is a technology that would work. It was being developed in the 1960s but it was stopped because of ...

Chinese engineers identify a design flaw in NASA's lunar nuclear reactor, suggesting improvements that could boost efficiency ...

Radiation-resistant nanomaterials enhance durability in nuclear systems by mitigating damage, improving structural integrity, ...