Just exactly when is the next Supermoon Blue Moon? As we ready ourselves for the Supermoon Blue Moon on Monday, Aug. 19 where it officially becomes 100% full at 2:26 p.m. EDT (1826 GMT). Some of you ...

Blue moon is either the second full moon in a calendar month or the third in an astronomical season with four full moons. The ...

Value-conscious sky watchers can rejoice Monday as the night could bring into focus a rare two-for-one: a supermoon and a seasonal blue moon converged for a single viewing. NASA says that combination ...

Tomorrow night's the Blue Moon. It won't actually be blue unless you happen to be near a volcano. Volcanic ash and forest fires can turn the moon blue. The secret? It's the ash. If all the ash ...

A rare super blue moon will light up the sky on Monday, Aug. 19. It's a rarity of sorts, according to NASA, since the celestial event will showcase a supermoon and a blue moon. Other names reported ...

Large in the sky and perfectly round, Monday night’s super blue moon is an attention-getter. But how rare, really, is it? It is unusual because it’s both blue and super. According to NASA, about 25% ...

DULUTH, Minn. - Tonight is the blue moon - which isn't blue, of course, unless you happen to be near a volcano. It was actually a mistake by an amateur astronomer in Sky & Telescope magazine in 1946 ...

Tonight (Aug. 19) skywatchers will be able to gaze upon a most "unconventional" full moon, because it will also be — a "Blue Moon." Yet it indeed is a "Blue" moon, but only if we follow a now somewhat ...