Understanding the Moon and the processes that shaped it helps us to better understand other objects in our solar system.

Without doubt, the most impressive ray crater that we can see from Earth is Tycho. The crater itself is about 50 miles across but its rays spread for almost the diameter of the Moon. See if you ...

The full moon will slide in front of Mars Monday evening in a rare planetary occultation. Occultations are like eclipses but instead of the Sun, it's a planet or a much more distant star being blocked ...