A UK research team has developed a photovoltaic leaf concept that can produce electricity, water and thermal energy in a single device. The system, inspired by a leaf, is based on a biomimetic ...

During Thursday's "severe" geomagnetic storm that sparked the northern lights across most of the U.S., electrical currents surged through rocks under the ground around the country. A map from the ...

Wireless power beaming has quietly crossed a threshold that once belonged to science fiction, with a U.S. space-focused solar ...