A supermoon is what happens when a full moon coincides with perigee, or when the moon is closest to the Earth, and it looks bigger than normal.

Tuesday supermoon is dubbed the Harvest supermoon because it’s the full moon that appears closest to the fall equinox. The name goes back hundreds of years, when farmers would s

A fall harvest supermoon put on a rare celestial show Tuesday when it also created a partial lunar eclipse for skygazers around the world. The bright harvest supermoon — a full moon that happens around the autumnal equinox — entered Earth’s shadow around 10:13 p.