First Light Fusion presents first reactor-compatible path to "high gain" fusion, which would drastically reduce the cost of this limitless clean energy source. Gain (energy out divided by energy in – ...

British inertial fusion energy developer First Light Fusion has presented the first commercially viable, reactor-compatible path to 'high gain' fusion, which it says would drastically reduce the cost ...

Dark matter seems invisible, but it makes up most matter, and we have evidence that it gives the cosmos its shape. Now ...

Engineers in the United Kingdom are racing to build metal shields that can survive conditions similar to the center of the ...

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 ...

Inside a French fusion experiment, a metal more associated with lightbulb filaments than star power just did something extraordinary. Tungsten, long considered too brittle and temperamental for the ...

There’s only one fusion device on earth that has been able to meet a key scientific threshold, but Maritime Fusion CEO Justin Cohen is already preparing to put a fusion reactor on a boat. Stay with me ...

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 ...

Nuclear fusion, which operates on the same principle that powers the sun, is expected to become a sustainable energy source for the future. To achieve fusion power generation, it is essential 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 ...