OpenAI CEO Sam Altman, 39, made it clear on Tuesday that OpenAI was not for sale following a surprise $97.4 billion offer ...

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

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

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

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

Seattle-area company Helion Energy gets $425 million from investors including Sam Altman and Softbank to pursue clean energy's "Holy Grail." ...

It could be one of the biggest private computing infrastructure projects in history — or a disaster.

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

A US start-up whose backers include tech billionaires Sam Altman and Peter Thiel has raised $425mn to keep it on track to ...

Open AI CEO Sam Altman-backed Startup is investing in world's first nuclear fusion based power plant to solve the energy ...