A nuclear fusion startup backed by OpenAI founder Sam Altman has raised nearly half a billion dollars to build what it hopes to be the world’s first power plant using the next-generation energy source ...

EVERETT, Wash. — It’s a bold ambition to try and replicate on earth the physics that power the sun and the stars. But clean power innovator Helion Energy is doing much more than that. It’s building ...

EVERETT, Wash. — In an industrial stretch of Everett is a boxy, windowless building called Ursa. Inside that building is a vault built from concrete blocks up to 5 feet thick with an additional layer ...

Fusion energy developer Helion Energy has been granted a Conditional Use Permit by Chelan County, clearing the way for permitting and construction of the fusion generator building of its Orion fusion ...

GREEN BAY — A Madison-based startup working to develop a prototype fusion energy generator by 2030 received its latest boost from the venture capital firm launched by the Green Bay Packers and ...

Pacific Fusion made a splash in October when it emerged from stealth with a $900 million Series A and a founding team led by a scientist who is most widely known for his work on the Human Genome ...

Images from space reveal an enormous X-shaped building rising up from rocky terrain in southwestern China. This is a huge nuclear fusion research facility, analysts say, and it could be a sign China ...