For a very long time, Saturn was thought to be the only planet in our solar system with rings. The rings around Saturn were discovered by an astronomer called Galileo Galilei nearly 400 years ago. He ...

Planetary rings are one of the most striking sights in the solar system, yet not every planet has them. Saturn’s rings are the most famous, but other gas giants also have smaller and less visible ...

From the surface, Earth looks like a relatively ordinary rocky planet, wrapped in clouds and a thin blue atmosphere. A new line of research argues that, hundreds of millions of years ago, it may have ...