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

While the year started out hot for large megaround deals, it has slowed considerably. Just three startups raised nine-figure rounds this week and you barely needed a round of $60 million to make this ...

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

Companies, nonprofits and government agencies in Washington state are reeling from President Trump's order freezing ...

Helion, founded in 2013, is backed by OpenAI's Sam Altman. A Sam Altman-backed startup has raised nearly half a billion dollars as it aims to build the world's first nuclear fusion power plant to ...

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, an Everett-based fusion energy company, has announced a $425 million Series F investment round that will be used to ...

The company is working on supply deals with major clients such as Microsoft and Nucor. Everett-based fusion energy company Helion is fueling its growth with a $425 million Series F round announced ...

Tapping into the Sun's Power Fusion energy has long been considered the holy grail of clean energy solutions. The reason it ...

In announcing a $35 billion program to bring inexpensive solar power to some 300 million Africans, officials left out two words: climate change.