Iapetus: Discovered on October 25 ... The heat from Saturn may allow the moon's icy surface to melt slightly, filling in craters and other signs of impact. Made up almost entirely of water ...

Two valleys extending away from a giant crater suggest that upcoming Artemis missions are more likely to sample ancient lunar ...

The solar system is home to bizarre moons like Enceladus and Callisto, each unveiling nature’s wonders and some of science’s ...

Athena didn’t crash. But what did happen to it? Hours after the 15-foot-tall robotic spacecraft arrived at the moon’s surface, closer to the lunar south pole than any spacecraft has been ...