Fusion energy, the same process that powers the Sun and stars, has moved from a theoretical promise to an active engineering race. A handful of private startups, backed by billions in venture capital ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." Clean and sustainable nuclear energy may sound like a washed up, post-war dream, but the modern ...

A clear explanation of how nuclear fusion and fission work, and why fusion releases more energy by combining atoms instead of ...

When the first atomic bomb test, code-named “Project Trinity,” was conducted on July 16, 1945, civilization moved from the chemical era—during which atomic energy was outsourced to the sun—to the ...

In an energy-hungry world, nuclear fission and fusion are often mentioned as alternatives to fossil fuels. But which one is better? In this episode, Scientific American's Michael Moyer melts down the ...

I recently met some senior officers of a private firm aiming to develop a nuclear fusion reactor. Fusion sticks together light atoms like hydrogen; today’s fission reactors split heavy atoms like ...