The physicists convening in New York heard an elaborate progress report on controlled fusion power. The consensus—practical H-power is still decades, perhaps generations away. Biggest problem remains ...

On Monday, Japanese startup Helical Fusion announced that it has successfully completed a major performance test of its high-temperature superconducting (HTS) coil, a critical step toward developing ...

Scientists are pursuing the proposition of clean and inexhaustible power from nuclear fusion through a variety of experimental reactor designs, and one of the more interesting examples is a roughly ...