Hector Santiago, a horticulturist, waters plants at his nursery that is powered by solar energy, after Hurricane Maria hit Puerto Rico in Barranquitas, south of San Juan, Puerto Rico, October 3, 2017.

Google has replaced its homepage logo with an animated Doodle in honor of prolific solar energy scientist Mária Telkes, nicknamed “The Sun Queen.” Mária Telkes was born in Budapest, Hungary, on ...

Although her solar panels successfully sustained Hurricane María’s winds, Madeline Batista couldn’t turn on her lights, her refrigerator or other appliances that needed electricity. The photovoltaic ...

Maria Telkes was a pioneer in harnessing solar power for practical purposes. Two of her most notable inventions were the solar distiller and the first solar-powered heating systems. Telkes was born in ...

This mountain hamlet has bid goodbye to power outages on an island that is too accustomed to them. Even when Puerto Rico’s decrepit electric utility suffers a blackout, refrigerators here still whir, ...