The Moon follows a cycle of eight phases, spanning a month − more precisely 29.5 days. Beyond its sheer size and glow, the full moon can hold deep spiritual significance, depending on the season or ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. What is a “blue moon”? Tonight’s full moon, which happens ...

August's full moon, which is coming Monday, August 19, has several names. It's a supermoon, a blue moon and the sturgeon moon. So what do they all mean? The "super" part refers to the moon's orbit, ...

The rare super blue moon will reach peak fullness on Monday, Aug. 19. On the heels of the Perseid meteor shower earlier this month, August is offering another great astronomical sight -- the rare ...

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 ...

A rare super blue moon that won't happen again for 13 years is set to appear over the United States on Monday. The super blue moon, which is when different cycles of supermoons and blue moons align, ...

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

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 ...

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% ...

Barring pesky clouds, skywatchers will have a spectacular view of a super blue moon when it rises in the evening sky on Monday. This super blue moon is a rare event. The "super" part of its title ...

August's full moon was the first of four supermoons this year. We've rounded up some of the best photos worldwide. When you purchase through links on our site, we may earn an affiliate commission.