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

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 ...

In a new essay on his personal blog, OpenAI CEO Sam Altman said the company is open to a “compute budget,” among other “strange-sounding” ideas, to “enable everyone on Earth to use a lot ...

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 ...

If OpenAI LLC were a listed company, Monday would have been a very bad day for the stock. But Chief Executive Sam Altman also ...

JASON REDMOND / AFP via Getty Images OpenAI Chief Executive Officer Sam Altman has a net worth of ... invested in the fintech company Stripe and nuclear fusion company Helion, according to Forbes.

One in four people admitted to flirting with a chatbot either knowingly or unknowingly, according to a survey conducted by Sam Altman's futuristic project, World, formerly known as Worldcoin.

To cap off a day of product releases, OpenAI researchers, engineers, and executives, including OpenAI CEO Sam Altman ... weapons — specifically nuclear weapons. This week, OpenAI announced ...

Sam Altman has personally disputed an accusation now at the center of Elon Musk's federal racketeering lawsuit against him: Musk's claim that OpenAI investors must agree to a fund-no-competitor ...

Sam Altman announced the $500 billion Stargate ... “I am very skeptical, as a nuclear engineer, that any fusion company can bring electricity to the grid reliably by 2028,” said Brian Wirth ...