Helion gives behind-the-scenes tour of secretive 60-foot fusion prototype as it races to deployment

In the city of Everett, inside a vault built with thick concrete blocks is Polaris, a machine that could change the world.

US strikes $80 billion deal for new nuclear power plants

At least $80 billion of nuclear reactors will be built across the United States in a partnership with the U.S. government, the three companies involved in the project said on Tuesday.