Arizona's big three utilities are eyeing a new nuclear power plant, but it'll be a long and complicated process. The big ...

While this latest test doesn’t make nuclear-powered rocket engines viable just yet, it’s an important step on the journey.

Ukrainian lawmakers approved a bill to complete two additional reactors at the Khmelnytskyi nuclear power plant in the ...

North Korean leader Kim Jong Un has said an elevated U.S. security partnership with South Korea and Japan poses a grave ...

The world's fastest supercomputer 'El Capitan' can reach a peak performance of 2.746 exaFLOPS, making it the planet's third ...

NASA and General Atomics tested the fuel by exposing it to temperatures up to 3,000 Kelvin (4,940 Fahrenheit or 2,727 Celsius ...

Macron aims to dedicate a gigawatt of nuclear power to create one of the world’s largest AI-computing facilities.

China is on a clear course to become the world’s first “electrostate" — and is likely to eclipse the U.S. in atomic power in ...

Arizona's electric utilities are planning for more nuclear power as part of a new look for this energy source and the ...

Vladimir Putin has dismissed the head of Roscosmos in a move which follows a series of setbacks for Russia's space agency ...

A former American military base, said to be used for 'scientific research' but was home to a secret nuclear project, remains ...

North Korea said on Saturday its nuclear weapons are not meant for negotiations but are intended for combat use against ...