According to a new study, the Solar System may break apart within about 6 billion years as the dying Sun’s uneven mass loss destabilizes the outer planets.

Across cities and suburbs, a quiet energy revolution is unfolding. Instead of large rooftop arrays installed by contractors, a growing number of households are experimenting with small, plug-in solar ...

A major portion of a controversial bill at the state Capitol in Sacramento that would have affected an estimated 2 million owners of rooftop solar systems in California has been scrapped. Assembly ...

"It's changing so fast it's hard to keep up with." ...

It’s not so easy to harvest the sunshine if you live in America. Homeowners can hire someone to install solar on their rooftops, but it can take many years for it to pay for itself. You might be able ...