A 24-year-old observatory assistant from the Midwest discovered Pluto. Clyde Tombaugh, born in 1906 in Streator, Illinois, ...

Plug-in solar legislation being adopted across the country has many commonalities including the requirement of a UL mark of ...

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 ...

Agnes Chan is part of a stealth solar revolution bubbling up in the US. The retired teacher has a tiny solar system propped up in her backyard in Berkeley, California, and plugged into a regular ...

Home solar power has been limited to people who own rooftops and can afford steep upfront costs. Now, a new generation of small, affordable systems, called “plug-in” or balcony solar, is making clean ...