Fusion energy may be one of the most promising clean power sources of the future—but only if scientists can precisely measure the extreme, fast-moving plasmas that make it possible. A new U.S.

For decades, humans have sought to harness the power of the stars to generate electricity here on Earth. And for nearly as long, achieving that goal always seemed just a decade away. Now, a slew of ...

The race to turn nuclear fusion into a commercial power source has shifted from laboratory curiosity to industrial mega-project, with one proposed plant in the English Midlands framed by its own ...