How Did the Solar System Form? The tale of our sun may begin with another star: a predecessor whose fiery death brought about the birth of our solar system.

The solar system could be packed with 1 million alien visitors, space rocks shaken away from our cosmic neighbor Alpha Centauri, new research has revealed.

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars.

An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse of icy bodies revolving around the sun.

Off-grid solar systems can help you generate electricity when you’re in a remote location. Compare the best off-grid solar systems based on price and features.

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact. To put that into context, those ...

Examining the gas giant's primordial stages is key to understanding our solar system's evolution.

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, researchers say.

An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse of icy bodies revolving around the sun.

Scientists may have found evidence of a ninth planet hiding out beyond Pluto, but is it actually Planet Nine?