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.

Touring cities with solar trees on the urban landscape presents a fascinating journey into the future of green technology.

Modern solar panels made from silicon-based photovoltaics just got some competition. Oxford University has developed a new technology using perovskites, which are more flexible and efficient.

A new presidential administration has some speculating that federal energy-efficient tax benefits, including federal solar panel and electric vehicle (EV) tax credits, may be going away.