Sometime this year a worker will plug in an historic solar panel. Whether on a small rooftop or in a sprawling desert array, that panel will put the world over the edge of the first tera­watt of ...

Korean scientists have created a tunable, full-color solar window that does not lose its energy generation capability ...

Home solar power usage has boomed in the U.S. in the past decade, but most of that growth has come from just two states. The number of homeowners and businesses that linked up solar panels to utility ...