Researchers have developed a solar cell system that uses mirrors to concentrate solar energy. In addition to electricity, it ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

Forbes contributors publish independent expert analyses and insights. Dianne Plummer is an Energy Consultant and Certified Energy Manager. Rooftop solar has become one of the fastest-growing clean ...

Add Yahoo as a preferred source to see more of our stories on Google. The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the ...

Many 10-year-old solar systems still work, but quietly underperform. In 2026, repowering outdated 3kW systems can cost less than repairs and deliver far bigger bill savings.