Claims of “net energy gain” in fusion experiments often exclude the massive energy consumed by the full system, leading to misleading headlines. Even under optimistic timelines, commercial fusion ...

Fusion startups have a tough row to hoe. Their mission? To create a new kind of power plant that produces more energy than it consumes — something no one has ever done with fusion energy before. That ...

For decades, nuclear fusion has held the promise of clean, limitless energy. However, one persistent challenge has slowed progress: the inability to reliably contain the high-energy particles needed ...

Sam Altman is confident that we’ll unlock the power of the stars soon. The billionaire CEO of OpenAI claimed in an interview with Bloomberg in January that “fusion’s gonna work” in the next few ...

Fusion power has long been promised as a clean, abundant energy source, but scientists have struggled to harness it effectively. A new approach, however, may finally bring fusion reactors closer to ...

Workers wear protective equipment in a cavernous hall that contains industrial equipment. The tokamak hall at Commonwealth Fusion Systems’ fusion energy facility in Devens, Massachusetts, will house ...