For decades, fusion energy has been defined by massive, complex machines built on the idea that bigger is better. Now, a new approach is challenging that assumption with a compact reactor designed to ...

Commonwealth Fusion Systems (CFS) said on Tuesday at CES 2026 that it had installed the first magnet in its Sparc fusion reactor, the demonstration device that it hopes to turn on next year. The ...

Revealing the Blanket and plasma inside the ITER Tokamak, International Fusion reactor. \| Image Credits:John D / . Over the ...

Realta Fusion is buying magnets from Commonwealth Fusion Systems, providing a revenue stop gap.

“AI factories and data centers require gigawatts of electric power,” said Siemens CEO Roland Busch today at CES 2026. “What if we had an energy source that was clean, safe, affordable, and practically ...

Inside a vast, hangar-like building in Devens, a trio of employees are working to test and assemble the pieces of what is likely one of the most advanced machines being built on Earth. One part of a ...

Commonwealth Fusion Systems has agreed to sell high-temperature superconducting magnets to Realta Fusion, marking its second such deal and signaling a broader ...