Humans have relied on wind power for centuries to propel vessels, pump water and grind grain. But in the 21 st century it has become a growing source of clean energy as nations have decided that one ...

Nuclear power accounts for almost 10% of electricity generation globally and the U.S., with its 94 reactors, is responsible for about 30% of it, making it the largest producer of nuclear-powered ...

The biggest leaps in lithium-ion (Li-ion) batteries — used in everything from electric vehicles to grid-scale energy storage — often come out of innovations in chemistry, materials, construction, and ...