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

While the year started out hot for large megaround deals, it has slowed considerably. Just three startups raised nine-figure ...

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

According to TechCrunch, Helion will use its $425 million funding round to upgrade its manufacturing capabilities. The ...

Fusion startup Helion locked up a $425 million Series F — valuing the company at $5.4 billion — as the company looks to ...

After a flood destroyed their town, Kentucky residents faced the agonizing choice of whether to stay or to relocate to new ...

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

Building a working nuclear fusion reactor has proven to be a daunting challenge even for multiple wealthy nations, as we've ...

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

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