Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

“We also find an approximately 0.3 percent chance that Mars will be lost through collision or ejection and an approximately 0 ...

For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar ...

Webb has directly imaged a young gas giant planet roughly the size of Saturn. Read more at straitstimes.com. Read more at ...

Passing stars could trigger instability across the solar system, resulting in Earth being hauled out of its orbit.

A recent study indicates a small chance that Earth could be ejected from our solar system due to passing stars. Simulations ...

Wide-orbit planets are fairly common according to the study, and there's a good chance we have one of our own.

Researchers in the US have suggested there is a 40 percent chance a ninth planet could exist in our solar system. Planet Nine ...