What is a supermoon and where could it be seen?
11 August 2014 Last updated at 16:46 BST
Skywatchers caught a glimpse of a supermoon last night - that's the full moon which is closest to Earth over the year.
It means the full moon looks bigger and brighter than at other times of the year.
The good thing about a supermoon is that it can be enjoyed pretty much anywhere, as long as you have a clear sky and a clear open space.
Jenny looks into what a supermoon is and how it could be seen all over the world.