Ten U.S. states have legalized systems that can be plugged into standard wall outlets. The technology typically does not ...

And the earth was without form and void, and darkness was upon the face of the deep. Sometimes, if the night is dark and clear enough, you can look up and see the Milky Way in its arc across the sky.

A Moon impact 3.5 billion years ago may have uncovered a forgotten chapter of Solar System history. Tiny crystal grains trapped inside a lunar meteorite are helping scientists understand a violent era ...

How did the first solids that made up planets, moons and asteroids form from the "hot soup" that characterized our solar ...

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 ...

Having spent 30+ years in residential construction, contracting, remodeling, maintenance and home repair, Deane now contributes DIY, informational and financial content as a freelance writer and ...

This story originally appeared on Grist and is part of the Climate Desk collaboration. Raymond Ward wants to see solar panels draped over every balcony in the United States and doesn’t understand why ...

On August 25th, 2012, humanity became an interstellar species. There was no fanfare or galactic welcome party as a humble robotic probe, the Voyager 1 spacecraft, crossed an invisible threshold. It ...

High energy bills and new tax incentives have more people turning to solar power for their homes. With a 30% federal tax credit and other local perks, installing a residential solar system has never ...

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our solar system that could support life in some form.