Nuclear fusion energy could become commercially viable by the early 2030s as scientists work to replicate the sun's power, ...

Clean energy from nuclear fusion may soon be commercial. But leaders around the world have done little to prepare.

A UK startup successfully ignited plasma inside a nuclear fusion rocket prototype, marking progress toward advanced propulsion for future deep-space missions.

Fusion company TAE Technologies was facing a funding crunch last year when it found an unlikely partner.

Add Yahoo as a preferred source to see more of our stories on Google. A Knoxville-based energy company and the United States' largest public power provider marked a new start Sept. 19 for a project ...

A Knoxville-based fusion powerhouse says it's solved the fundamental science of harnessing the sun's power to produce electricity.

SAN FRANCISCO (Reuters) -Helion Energy, a startup backed by OpenAI's Sam Altman and SoftBank's venture capital arm, has started construction on a site for a planned nuclear fusion power plant that ...

OpenAI is in talks to purchase power from US fusion energy start-up Helion Energy, which is backed by OpenAI CEO Sam Altman.

Commonwealth Fusion Systems’ planned $2.5 billion-plus Chesterfield County facility, which could be the world’s first grid-scale commercial nuclear fusion energy plant, is advancing through the county ...

Munich-based Proxima Fusion has signed an agreement with the Free State of Bavaria, RWE, and Max Planck Institute for Plasma Physics to construct the world's first commercial stellarator fusion power ...

Germany wants to build the world's first fusion power plant, and scientists say that might be possible - by 2045.