The OpenAI leader and SoftBank, who are leading the mammoth Stargate effort, have poured hundreds of millions into Helion.

Seattle-area company Helion Energy gets $425 million from investors including Sam Altman and Softbank to pursue clean ...

Helion's unorthodox approach to fusion power and relative secrecy has earned it plenty of fans — and critics. But don’t count ...

A nuclear fusion startup backed by OpenAI founder Sam Altman has raised nearly half a billion dollars to build what it hopes ...

Helion’s nuclear fusion promises have garnered the attention of Silicon Valley—and raised concerns amongst scientists wary of ...

Helion secures funding to accelerate the development of its commercial-scale fusion power plant, aiming to deliver ...

With the latest round of funding, Helion has raised over $1 billion in capital since it was founded in 2013. The company ...

Sam Altman’s net worth stands at $1.2 billion, according to Forbes, ranking 2,530 in the world’s billionaire list currently. Well, this net ...

Helion Energy says its series F raise will fund it through the deployment of the first-ever commercial nuclear fusion plant.

Few fusion startups have been as closely watched as Helion. The 12-year-old company is backed by Sam Altman, rumored to be in talks with OpenAI, and has a deal to supply Microsoft with electricity ...

Helion, a startup working to generate electricity from nuclear fusion, on Tuesday said it has raised $425 million in venture ...

Sam Altman — OpenAI’s CEO and co-founder, as well as Helion’s longtime board chair and a past investor — also participated in the round with others. Helion’s valuation topped $5.4 ...