The prototype machine with 150 million o C indoors is not a power plant, but it marks the boundary: that is quite hot, far ...

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 ...

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

Helion Energy, a nuclear fusion startup backed by OpenAI’s Sam Altman, still has to prove it can produce electricity to serve data centers and other customers. But investors seem confident it can ...

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

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 ...

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

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 ...

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 ...

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, Washington-based group’s valuation to $15.5 billion. Helion is among dozens ...