Helion Energy, the fusion startup where Sam Altman serves as board chair and largest investor, is racing to deliver its first ...

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

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

Add Yahoo as a preferred source to see more of our stories on Google. Helion Energy, a clean energy company committed to creating a new era of plentiful, zero-carbon electricity from fusion, today ...

Beyond the massive curtains of its Everett, Wash., R&D facility, Helion is betting that a downsized testbed can answer key ...

Fusion energy group Helion said the company has completed a $465-million Series G investment round, increasing the Everett, ...

A nuclear fusion startup backed by OpenAI founder Sam Altman has raised nearly half a billion dollars to build what it hopes to be the world’s first power plant using the next-generation energy source ...

Add Yahoo as a preferred source to see more of our stories on Google. Helion, the clean energy company with its eye firmly on the fusion prize, announced a couple of years ago that it had secured $2.2 ...

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

Helion, the clean energy company with its eye firmly on the fusion prize, announced a couple of years ago that it had secured $2.2 billion of funding to help it develop cleaner, safer energy at a ...