Earth's Moon, the planet's only natural satellite, is so close that you can see some of its surface features with the naked eye—but only when it's at least partially illuminated by the Sun. In this ...

Learn how the Moon’s phases form, why it changes shape in the sky each night, and what each stage — from new moon to full moon — actually means.

The Moon's phases are caused by changing amounts of sunlight reflecting off its surface as it orbits Earth. Lunar eclipses happen during a Full Moon when Earth is between the Sun and Moon. Solar ...

March’s “worm moon” sets behind Rocca Calascio castle and village in L’Aquila, Italy. Photograph by Lorenzo Di Cola, NurPhoto/Getty Images Earth’s moon phases cycle from month to month, waning and ...

Looking up at the sky and wondering where the moon is? Today's lack of beautiful moonlight isn't a mystery; it's to do with where we are in the lunar cycle. Intrigued? Keep reading. The lunar cycle is ...

What is the moon phase today? Today, Oct. 11, 2025, the moon is 20 days old and is in the Waning Gibbous phase of its lunar ...

During such a busy stretch for stargazing, it can be hard to keep track of all that’s happening in the solar system, including what we can see from our backyards. On Monday night, Aug. 11, the moon ...

The moon is half lit up tonight, which means a lot of things. Namely, we're in a new lunar cycle. The lunar cycle is a series of eight unique phases of the moon's visibility. The whole cycle takes ...

Photographer Osama Fathi has produced a pair of breathtaking images showing the dramatic transformation of the moon during ...