The fusion power frontrunner said that construction on its Sparc reactor was proceeding as planned. Meanwhile, it's building ...

US fusion firm Commonwealth Fusion Systems (CFS) has announced partnerships with Nvidia and Siemens to develop a digital twin ...

CFS hits a key fusion milestone at CES 2026, installing Sparc’s first 20T superconducting magnet and building an ...

Commonwealth Fusion Systems installs first of 18 massive magnets in Sparc fusion reactor at CES 2026, aiming to activate it ...

Commonwealth Fusion Systems said on Tuesday at CES 2026 that it has installed the first magnet in its Sparc fusion reactor, ...

Commonwealth Fusion Systems plans to tap star-like energy and is teaming up with Nvidia and Siemens to make it happen.

AI factories and data centers require gigawatts of electric power,” said Siemens CEO Roland Busch today at CES 2026. “What if ...

A viable nuclear fusion reactor — one that spits out more energy than it consumes — could be here as soon as 2025. That's the takeaway of seven new studies, published Sept. 29 in the Journal of Plasma ...

Commonwealth Fusion Systems just took a monumental step toward reshaping how the world is powered, and how much that power is going to cost. The Massachusetts-based energy startup, created out of MIT ...

Commonwealth Fusion Systems has hoovered up another $863 million in fresh capital to fuel its dream of turning nuclear fusion into a commercial energy business that doesn’t melt the budget. The new ...

When the US Department of Energy announced that it would stop funding the tokamak at MIT’s Plasma Science and Fusion Center, ...