Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. To us everything seems normal. Our planet, blue and bursting ...

New research suggests that a massive, unidentified object might have passed through our Solar System billions of years ago, ...

Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

If you were to perfectly follow the steps in An Idiot's Guide to Making a Solar System, you should eventually find yourself with a star surrounded by a flat disc of planetary material orbiting in ...

Gareth Dorrian does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

A passing star, or a stellar flyby, with the potential to pull Neptune out of its orbit by just 0.1%, could mean catastrophe for the entire solar system. But don’t worry — it won’t happen in our ...

Astronomers have spotted a new interstellar object — the third of its kind ever seen — shooting towards us through the solar system. Here's everything you need to know about 3I/ATLAS. When you ...