This composite image shows the Saturn Lyman-alpha bulge, an emission from hydrogen which is a persistent and unexpected excess detected by three distinct NASA missions, namely Voyager 1 ...

These are the closest-ever images of Saturn. They were taken by NASA's Cassini spacecraft just days before it crashed into Saturn. The results are spectacular. Shortly after Cassini took its final ...

This latest image heralds the start of Saturn's "spoke season" with the appearance of two smudgy spokes in the B ring, on the left in the image. The shape and shading of spokes varies – they can ...