In this article, we at the Guides Home Team will explain a few of the top facts and statistics you ... a 5-kilowatt (kW) home solar system can generate over 7,500 kWh per year.

The order of the planets in the solar system, starting nearest the sun and working outward is the following: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and then the possible ...

A passing star may have kicked the weird moons of giant planets like Jupiter and Saturn into place, new research suggests.

Astronomers have observed three types of black holes in the universe. Stellar-mass black holes formed from the collapse of a ...

Ganymede has giant grooves and ridges across its surface, sort of like the cracks you see in an old pavement. Scientists think these were made by shifting ice or water pushing up from beneath. Like ...

Palmetto, Solar Energy World, and Blue Raven Solar are the best solar companies in the U.S., based on a review by the MarketWatch Guides team. A residential solar system from one of our top ...

As you sketch out your dream system and think about your budget, our aim is to give you the knowledge to ask potential installers detailed, informed, and revealing questions. A solar-panel system ...

If microscopic black holes born a fraction of a second after the Big Bang exist, then at least one may fly through the solar ...

Small primordial black holes may be zooming through the solar system, leaving detectable gravitational disruptions.

A new study suggests that a microscopic black hole might pass through our solar system once every decade or so.

Rep. Elizabeth Fiedler (D-Philadelphia) stopped in Pittsburgh on her statewide tour to promote Solar for Schools, a new grant ...

In the latest market close, First Solar (FSLR) reached $241.81 ... these estimated changes and delivers an operational rating system. The Zacks Rank system, spanning from #1 (Strong Buy) to ...