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

Helion, a leading innovator in fusion energy technology, has announced receiving a fresh $425 million in funding. This significant investment will enable Helion to expedite the development of its ...

With the latest round of funding, Helion has raised over $1 billion in capital since it was founded in 2013. The company claims that it will build the world's first nuclear fusion power plant by 2028 ...

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

In a blog post at the time, Altman described Helion as “by far the most promising approach to fusion I’ve ever seen.” Two years later, Helion unveiled a power purchase agreement with ...

Then Mr. Altman sneaked into the White House. By Cecilia Kang and Cade Metz Reporting from Washington At President Trump’s inauguration, Sam Altman, the chief executive of OpenAI, was relegated ...