SAN FRANCISCO (Reuters) -Helion Energy, a startup backed by OpenAI's Sam Altman and SoftBank's venture capital arm, has started construction on a site for a planned nuclear fusion power plant that ...

Microsoft-backed nuclear fusion company Helion has raised $465 million in its Series G investment round, led by Thrive ...

Fusion startup Helion is racing to complete a power plant for Microsoft by 2028. A fresh infusion of cash should help with ...

A nuclear fusion startup backed by OpenAI founder Sam Altman has raised nearly half a billion dollars to build what it hopes to be the world’s first power plant using the next-generation energy source ...

Add Yahoo as a preferred source to see more of our stories on Google. Helion Energy, an Everett-based fusion energy company, has announced plans to construct the world's first fusion power plant in ...

Fusion startup Helion has raised $425 million in a Series F round. The round saw Lightspeed and SoftBank Vision Fund 2 invest in the company, alongside participation from existing investors, including ...

Nuclear fusion energy company Helion said on Thursday it raised $465 million in its latest funding round, led by Thrive ...

Beyond the massive curtains of its Everett, Wash., R&D facility, Helion is betting that a downsized testbed can answer key ...

Opportunities to invest in commercial nuclear fusion are limited for now, but these companies stand to benefit from their ...