A Calendar Blue Moon or a Seasonal One? The term blue moon has two commonly known definitions. The most popular and widely known definition comes from a man named James Hugh Pruet ...

Only when the moon, Earth and the sun are perfectly aligned is the moon 100% full. And sometimes — once in a blue moon — the moon is full twice in a month (or four times in a season ...

The Blue Supermoon is a rare celestial event that merges two distinct astronomical phenomena: the Supermoon and the Blue Moon ...

A total lunar eclipse will make the moon appear red across the Western Hemisphere during the "Blood Worm Moon" this week.

The 'full moon' phase is as close as we come to seeing the sun's illumination of the entire day side of the moon. In 2025, ...

"It has been an honor to enable science and technology experiments that support future missions to the moon, Mars and beyond." The historic mission of Firefly Aerospace's Blue Ghost lunar lander ...

An artist’s conception shows the Blue Moon MK1 lander on the moon. (Blue Origin Illustration) NASA says it has penciled in Blue Origin’s Blue Moon MK1 cargo lander to deliver a scientific ...

The total lunar eclipse that unveiled a reddish blood moon overnight to nearly half of Earth looked a bit different from the vantage of our celestial neighbor. The Blue Ghost lunar lander ...

The last supermoon of the year will grace the night sky on September 28. Known as the Harvest Moon, it will look closer and ...

Note: Moon phases in the calendar vary in size due to the distance ... approximately 90 percent of its closest distance to Earth. Blue Moon: A Blue Moon is the second Full Moon in a month that ...