We used to think moons were the boring sidekicks of the solar system. For decades, we treated them like cosmic leftovers — cold, dead rocks that did nothing but tag along with their parent planets. We ...

Scientists have discovered seven of the most unusual moons orbiting our solar system’s planets. These moons display phenomena ...

We have an idea of what the solar system's past was like: It was violent and chaotic. However, we are still studying how violent it was. Current models suggest that at some point after their formation ...

JWST has uncovered surprising clues that Neptune’s strange inner moons may be the wreckage of an ancient cosmic catastrophe. Researchers detected clay-like minerals on Larissa, Galatea, and Neptune’s ...

WASHINGTON, August 3 (Reuters) - New observations of some of Neptune's moons and rings are providing evidence of a catastrophe that occurred billions of years ago around the solar system's outermost ...