Oak Ridge's director of fusion energy explains why the global race to build the world’s first fusion plant still depends on ...

This company says its pulsed plasma machine will deliver electricity to the grid by 2029. Some physicists warn that its promises are outrunning what the technology has proved ...

Fusion energy group Helion said the company has completed a $465-million Series G investment round, increasing the Everett, Washington-based group’s valuation to $15.5 billion. Helion is among dozens ...

Nuclear fusion energy company Helion said on Thursday it raised $465 million in its latest funding round, led by Thrive ...

Fusion startup Helion raised $465M, boosting its valuation to $15.5B. The company plans to use the funds to deliver ...

Fusion power startup Helion Energy Inc. has closed a $465 million funding round led by Thrive Capital. The Series G deal also ...

Helion Energy, an Everett company seeking to produce commercial fusion energy, raised $465 million in a Series G funding ...

Sam Altman faced pointed questions Tuesday about his personal financial ties to Helion Energy, the Everett, Wash., fusion startup that’s aiming to supply vast amounts of energy to both OpenAI and ...

Sam Altman on Tuesday said his investment in nuclear energy startup Helion, which is deep in talks on a power purchasing agreement with OpenAI, has climbed to over $1.6 billion in value. That's up ...

Generalist AI has secured $400 million in a funding round led by Radical Ventures, boosting its valuation to $2 billion amid ...

OpenAI cofounder and CEO Sam Altman disclosed more than $2 billion worth of personal stakes in companies that conduct business with the ChatGPT maker, including owning a third of power company Helion ...

Finding the best online casinos for real money in 2026 means choosing sites that are legal, secure and packed with player-friendly features. On this page, we rank the best real money online casinos ...