The size of the solar system is defined by the volume of space over which the sun's influence exceeds those of other nearby stars in the Milky Way galaxy. This influence derives from two fundamental ...

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 ...

Whether you’re planning a home solar installation or outfitting your RV, knowing the size and weight of your potential panels is vital to making a worthwhile investment. It can be hard to estimate how ...

The transits of Venus in 1761 and 1769 offered a way to calculate the true size of the Solar System. Getting to the right place to observe them was another matter entirely.

A 6-kW solar system can power most average homes, providing a significant portion of your typical electricity needs without requiring a large roof or a big budget. It’s a smart option for households ...

Jupiter, the largest planet in the solar system, was 2 to 2.5 times bigger in its earlier life, according to new research. Credit: NASA / JPL-Caltech / SwRI / MSSS / Tanya Oleksuik Jupiter, the ...