Fusion power promises to generate large amounts of clean electricity from nearly limitless fuel. This article explains the main approaches and the companies that use them.

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 ...

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

The race is on to harness the near-infinite power of nuclear fusion—by building a star on Earth. And scientists are closer than you might think. Nuclear fusion in the sun occurs when hydrogen is ...