Occurring roughly every two to three years, it is a fairly rare spectacle when we typically see just 13 full Moons within a year.

See the best images of the Blue Moon from around the world as a second dramatic moonrise occurred in the same month in a rare ...

When there are two full moons in a single calendar month, the second one is referred to as a blue moon. This month, the first full moon was on May 1, and a second one will occur early Sunday morning.

North America’s celestial highlights for the weekend ahead, which also apply to mid-northern latitudes in the northern hemisphere. This weekend sees a rare Blue Moon.

May’s blue moon will appear fullest, or peak, at 4:45 a.m. ET on Sunday before the sun rises. This event will also feature a ...

When people say something happens “once in a blue moon,” they’re expressing that it’s a rare occurrence — and that’s exactly the kind of unique and timely magic that’s radiating from the upcoming full ...

The blue moon will be the second of two full moons in the same month, a coincidence that only takes place about every two and ...

On the moon, the lack of atmosphere and accompanying features such as biological activity, oxygen-rich air, flowing water and ...

Eclipses bring sudden beginnings and endings, speeding up time while we’re in what astrologers sometimes call the “eclipse portal.” This year, 2026 has two solar eclipses in the books. The first took ...

The March 3 total lunar eclipse has been and gone, astounding skywatchers around the world with a breathtaking display of orbital mechanics as the lunar disk plunged into Earth's umbral shadow, ...

A total lunar eclipse created a chance for Californians to get a glimpse of the blood moon to the delight of onlookers up and down the state. The eclipse took place between midnight and the dawn’s ...

If you missed the total lunar eclipse in the early morning hours on Tuesday, March 3, you'll have to wait at least two more years for the next one. The "blood moon" eclipse turns the moon a ...