Tesla has launched new size options for its rooftop solar panel system, doubling the number of options for homeowners looking to go solar.

There's no universal size for solar panels. Understanding where and how they fit on your roof is essential.

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.

Frohn updates the chart once every month (and has been doing it since late-2010) with every mission currently out in our solar system, as well as the planned ones with set launch dates coming up.

A residential solar panel is approximately 65 inches by 39 inches and weighs about 40 pounds. Read our guide for more on solar panel size and weight.

Our moon is not the biggest moon in the solar system — not by a long shot. In fact, the Moon is only the fifth biggest satellite in our solar system, wedged right between Io and Europa in size ...

A new virtual reality app lets users explore the solar system up close, from scorching-hot Mercury to faraway Pluto and beyond. The app, called Star Chart for VR, is billed as the first virtual ...