US military officials believe Russia and China are aggressively testing new offensive space capabilities, pointing to a ...

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

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

Try to fathom the power of 1 million nuclear power plants. Now, imagine there is a way to pack the equivalent of that into ...

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

Scientists use light-emitting crystals and solar panels to turn the latent energy in nuclear waste into microbatteries.

The Sunbird nuclear fusion rocket concept has the potential to more than halve the time to travel to Mars and cut travel time ...

The USS Nautilus was the world's first nuclear-powered submarine. It participated in scientific and military operations ...

The team tested the battery prototype with cesium-137 and cobalt-60, common radioactive byproducts of nuclear reactors. Using ...

Expressing frustration over the state of cleanliness, he questioned how a nuclear and space power like India continues to ...