A new experiment conducted at the National Ignition Facility (NIF) assessed the ability of U.S. nuclear weapons to survive encounters with adversary missile defenses and reach their targets. The ...

The U.S. and China lead global efforts to make nuclear fusion commercially viable, with billion-dollar projects aiming for net-positive energy. Los Alamos scientists successfully recreated a 1938 ...

A nuclear fusion startup has claimed a significant advance after testing an unconventional reactor design in New Zealand, reporting that it sustained plasma at roughly 300,000 degrees Celsius for 20 ...

Idaho National Laboratory has launched full-scale production of enriched fuel salt for the world's first test of a molten chloride salt fast reactor - technology that could be deployed as soon as the ...