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 ...

Today, Sept. 8, 2025, the moon is 16 days old and is in the Full Moon phase of its lunar cycle. It is 99% illuminated.

While orbiting Earth, the moon undergoes a series of phases, each marked by its unique appearance in the sky The moon has captivated humanity since the beginning of time, but what deeper significance ...

We're getting closer to the New Moon, and soon there'll be days where we hardly see any moon at all. We're now on day 21 of the lunar cycle, a series of eight unique phases of the moon's visibility.

Join us on a guided tour of August's moon through all four major lunar phases. The ever-shifting phases of Earth's moon present a wealth of targets for amateur astronomers to explore, ranging from ...