An updraft base of a supercell thunderstorm begins rotating, and a rear flank downdraft containing rain and hail is backlit by the setting sun in Climax, Kansas. Barcroft Media ...

A new breed of solar tower may soon be sprouting up in Namibia, providing the nation with a carbon-free source of electricity and food during the day and night. At one and a half kilometers tall and ...

Introduction Have you ever had a sunburn? If so, you know how powerful the sun's heat can be! Did you know this heat can also be turned into electrical energy? You might have heard about solar cells, ...