The company raised $425 million in January 2025, around the same time that it turned on Polaris, a prototype reactor. Helion ...

Google and Chevron have taken part in a $150 million funding round of TAE Technologies, which is developing a new type of nuclear fusion reactor design. Founded in 1998, TAE Technologies has been ...

The company announced yesterday that it had created plasma inside its prototype reactor – a major milestone in proving its technology. This proves General Fusion's Lawson Machine 26 (LM26 ...

Japan has taken a major step toward revolutionizing energy production with the launch of the JT-60SA reactor, the world’s ...

On Tuesday, the people managing the ITER experimental fusion reactor announced that a combination of delays and altered priorities meant that its first-of-its-kind hardware wouldn't see plasma ...

The world’s largest and most powerful superconducting electromagnet is ready to become the pulsing “heart” inside of a massive tokamak nuclear fusion reactor. Developed over 40 years in ...

The biggest experimental nuclear fusion reactor in operation was inaugurated north of Tokyo today, as scientists continue to plug away at making nuclear fusion a viable source of the world’s energy.

Pandora Dewan is a Senior Science Reporter at Newsweek based in London, UK. Her focus is reporting on science, health and technology. Pandora joined Newsweek in 2022 and previously worked as the ...

The world's largest and most advanced tokamak fusion reactor has gone online as the EU/Japanese 370-tonne JT-60SA reactor was fired up for the first time during an inauguration ceremony in Ibaraki ...

For decades, if you asked a fusion scientist to picture a fusion reactor, they’d probably tell you about a tokamak. It’s a chamber about the size of a large room, shaped like a hollow doughnut.

A way of controlling the size of instabilities in the plasma of fusion reactors has been discovered by an international team of researchers. Large instabilities can damage a reactor, while small ...