Mercury has always been one of the Solar System's greatest mysteries, but new discoveries are forcing scientists to rethink ...

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

A distant 'exomoon' the size of Jupiter is changing how we think about the cosmos.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. An object has been discovered orbiting the sun far beyond ...

Our moon is closer in size to Earth than any other moon in the solar system is to its associated planet, however it is far from the largest moon around.

I find the outer reaches of our solar system fascinating. It’s a place that we know very little about considering how relatively close it is – even its size is up for debate. It’s littered with icy ...

A Jupiter-mass object orbiting a brown dwarf could become the first confirmed moon beyond our Solar System.

Researchers at Caltech and Sophia Space, a start-up, have developed a technology using solar power to prevent computer ...

Wondering if a 3-kilowatt (kW) solar system is large enough to power your home or too large for your do-it-yourself (DIY) project? Below, we’ll outline everything you need to know about 3-kW solar ...

Interested in going solar? Find a Solar Energy partner near you. Everyone has slightly different needs when they go solar, but 10 kilowatts of solar capacity can likely provide you with plenty of ...