For years, scientists have been trying to replicate the concept of nuclear fusion — the phenomenon that keeps the Sun and other stars alive — and turn it into a working reactor on Earth that can ...

Fusion power has the potential to rewrite trillion-dollar energy markets, but first, startups have to prove their designs will work and won’t be too costly. Neither is easy, especially when ...

In 1929, Ernest Orlando Lawrence invented the cyclotron: a compact, efficient particle accelerator that used magnets. Two ...