As of Saturday, Dec. 27, the moon phase is First Quarter. According to NASA's Daily Moon Observation, 47% of the moon will be ...

Today, Dec. 20, 2025, the moon is 0 days old and is in the New Moon phase of its lunar cycle. It is 0% 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 ...

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 ...

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 biggest stories of the day delivered to your inbox.

Luckily enough, lunar timekeeping has been tracked daily for a *very* long time, so unless you were born before, say, 40,000 years ago, your birthday Moon phase details should be ready and available.

Moon phases reveal the passage of time in the night sky. Some nights when we look up at the moon, it is full and bright; sometimes it is just a sliver of silvery light. These changes in appearance are ...

The Moon has always intrigued people throughout time for its beauty in the night sky as well as for its consistency of predictable changes (moon phases). This is due to the Moon travelling around ...