Engineers at the UK’s STEP (Spherical Tokamak for Energy Production) program have successfully tested ...

Commonwealth Fusion Systems is working with technology firms NVIDIA and Siemens to develop a digital twin of its SPARC reactor to speed up modeling and progress toward a commercial fusion energy ...

The machines at their center, called tokamaks, have evolved from experimental curiosities into instruments capable of ...

ORNL has partnered with Type One Energy and UT to establish a high-heat flux facility in Tennessee to test materials for ...

National Geographic Explorer Paolo Verzone provides a rare peek inside a stellarator, an experiment that aims to give the world near-limitless clean energy. When in operation, this space inside the ...

Here’s what you’ll learn when you read this story: The plasma density barrier is a mathematical limit to the density of plasma that can exist in a tokamak before destabilizing. A new study led by a ...

Explore how fusion energy research is extending reaction times, highlighting nuclear fusion progress toward reliable, large-scale clean energy while explaining challenges, technologies, and future ...

China's EAST nuclear fusion reactor has successfully kept plasma stable at extreme densities, passing a major fusion milestone and potentially bringing humanity closer to wielding near-limitless clean ...

Researchers working on China’s ‘artificial sun’ have reported breaking a long-accepted threshold that has limited the operation of nuclear fusion reactors for decades. China’s Experimental Advanced ...

Commonwealth Fusion Systems said Tuesday at CES 2026 that it has installed the first superconducting magnet for its Sparc fusion reactor, a key milestone for the experimental system the company aims ...