Free electricity? Australia’s got it, thanks to solar. Could the US be next? “It’s just a complete no-brainer,” says Sharon Melamed. When the small-business owner first heard that electricity ...

The Thriamvos company truck pulls up at noon outside the four-storey building in the heart of Nicosia. It’s the third rooftop installation of a solar-powered water heating system that Petros Mihali ...

Water can help keep solar panels cooler, which may improve performance.

The city launched its new Evanston Sun Power Program in partnership with Windfree Solar earlier this month to provide solar ...

The ribbon solar sail will be a solar sail design using a thin film strip embedded with diffractive gratings. It is a NASA Innovative Advanced Concepts (NIAC) project. This configuration leverages ...

An Overview Based in California with nearly 20 years of experience, Sunrun is a leading solar panel installation company that ...

Michael Pelletier, a retiree living in the Copperfield area, redoubled his search for affordable backup power after a surprise derecho in May knocked down massive power line towers near his home and ...

A family in Ahmedabad recently sat down to review their household expenses and found a recurring "leak" in their budget: the ...

A new kind of solar power: NASA's Advanced Composite Solar Sail System recently hitched a ride to space on Rocket Lab's Electron launch vehicle. The spacecraft survived the trip and successfully ...

Portal’s heat exchanger thruster, known as Flare, fires up during a test in a vacuum chamber. (Portal Space Systems Photo) Bothell, Wash.-based Portal Space Systems says it has successfully tested its ...