The company raised $425 million in January 2025, around the same time that it turned on Polaris, a prototype reactor. Helion has raised $1.03 billion, according to PitchBook. Investors include Sam ...

Making gold from mercury in a fusion reactor is a theoretically sound but commercially unproven proposition with significant ...

The industry is getting billions, but it’s way too early to count on fusion to meet growing electricity demand.

Nuclear fusion promises a green and infinitely renewable supply of energy—if we can harness it. Fusion happens all the time ...

The fusion startup has inked a deal with Italian energy company Eni. The move is likely intended to set a price for fusion ...

Three years after a vital scientific breakthrough, Dominion Energy and the Tennessee Valley Authority have struck deals with ...

WORLD’S FIRST STEADY-STATE NUCLEAR FUSION REACTOR? A Japanese startup has announced plans to build the world’s first nuclear fusion reactor that can produce power for an unlimited amount of time, ...

KIYOSU, Japan--(BUSINESS WIRE)--Toyoda Gosei Co., Ltd. (TOKYO:7282) has invested in Helical Fusion Co., Ltd. in July 2025, which aims to achieve practical nuclear fusion power generation as a ...

ITER — which is set to become the world’s biggest fusion reactor, and one of history’s most expensive science experiments — has reached a key milestone on its mission to create a mini Sun on Earth.

Helion Energy Inc., a startup working to develop commercial fusion reactors, today announced that it has closed a $425 million late-stage funding round. The Series F deal included the participation of ...

We've only known about nuclear fusion for around 100 years; now, one project in France is closer than ever to making fusion power it a reality.

Increasing the chance of fusion means raising the density of nuclei in the apparatus as well as the length of time they ...