23 July 2020
New analysis of images of cracks on Ganymede indicate that they cover most of the surface in concentric rings, suggesting a giant impact rocked the moon 4 billion years ago
2 March 2018
Falling space debris should make craters on rocky surfaces. But on Saturn’s moon Iapetus, it might have created a belt of mountains around the equator
12 December 2017
A series of parallel lines on Saturn’s moons Dione and Rhea have scientists scratching their heads. Could they be a sign of rings that crashed to the surface?
