We used to think moons were the boring sidekicks of the solar system. For decades, we treated them like cosmic leftovers — ...

Final preparations are under way for China to launch an uncrewed craft to visit both an asteroid and a comet, in the hope of learning more about the space rocks in our solar system. The Tianwen-2 ...

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.