Solar panels have gotten so cheap that the plant, born of an old attempt at harnessing the power of the sun, appears to be obsolete.

Researchers are breaking new ground with halide perovskites, promising a revolution in energy-efficient technologies. By ...

The goal for Climate Impulse is to take off unassisted, fly some 40,000 kilometers (about 25,000 miles) around Earth along ...

Swiss aviation pioneer Bertrand Piccard is developing a plane powered by liquid hydrogen after a much-hyped flight in 2015 ...

Researchers have developed a reactor that pulls carbon dioxide directly from the air and converts it into sustainable fuel, ...