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

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

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

Washington-based fusion energy company Helion just raised US$425 million in fresh funding for its bid to be the first to ...

In 2022, Helion moved from Redmond to Everett, where it has a roughly 150,000-square-foot headquarters, along with roughly 30 ...

Helion has also entered a customer agreement with Nucor to develop a 500MW power plant projected for the 2030s. "Helion ...

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

Helion, whose board is chaired by OpenAI CEO Sam Altman, announced an "oversubscribed and upsized" Series F funding round yesterday. With the addition of $425 million to its coffers, the startup ...

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

US-based fusion energy company Helion has raised $425m investment to advance the commercialisation of its fusion energy ...

Elon Musk's bid to purchase OpenAI's non-profit arm for $97.4 billion was publicly rejected by CEO Sam Altman, who countered ...