The classical picture of star and planet formation suggests that a star’s rotational axis and the orbital planes of its planets should be aligned. However, exoplanetary systems have considerable ...

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 ...

Can I run on the rings of planets? Asks Iola from New York. If you've ever looked out the window of a moving car and imagined yourself running along the rooftops that fly by, you might have had the ...