Not only is September's full moon also a so-called "supermoon" because of its size and brightness, but it's also due to be eclipsed by Earth.

This September, skywatchers are in for a treat with a rare celestial trio: a supermoon, the Harvest Moon, and a partial lunar ...

This month's harvest moon will not only coincide with a supermoon, but also with a blood moon and partial lunar eclipse.

The Harvest supermoon will occur on September 17, appearing larger and brighter in the night sky than a typical full moon.