INSIDER
Ultra-rare blue moon will illuminate Halloween sky
Read full article: Ultra-rare blue moon will illuminate Halloween skyIf you’re out trick-or-treating and hear a howling wolf... it might be due to the rare blue moon illuminating the sky. That’s right... and it apparently only happens once in a blue moon! *see what I did there*Two full moons will light up the sky in October, which only happens about every three years, Prevention reports. This year’s Harvest Moon will peak on Thursday, Oct. 1. Then, the Blue Halloween Hunter’s Moon will appear on Oct. 31st!