More a popular term than a scientific one, a supermoon occurs when a full lunar phase syncs up with an especially close swing ...

November's full moon, known as the Beaver Moon, will be the last supermoon of the year, and you can catch it next week.

You might have thought Mercury in retrograde was a wild ride…but you haven’t seen anything quite like a supermoon. These exciting cosmic events bring unexpected surprises along with them.