The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many ...

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously unknown world may be lurking in the outer reaches of the solar system. The ...

Typically astronomers find planets of similar ages to the ones in our solar system, but that’s starting to change. In a study ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The solar system suddenly has a new member. A new object ...

Astronomers have spotted two planets forming around a distant infant star, offering a time capsule into see what the ancient ...