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.

It's the start of a new phase in the lunar cycle tonight, and for now, that means the moon will be getting brighter each night. The lunar cycle is a series of eight phases of the moon. NASA explains ...

The moon looks almost full tonight, but it's not quite there. We've even got a few more days before we hit that part of the lunar cycle. The lunar cycle is a series of eight unique phases of the ...

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 becoming more lit up each night as we progress through the lunar cycle. The lunar cycle is a series of eight unique phases of the moon's visibility. The whole cycle takes about 29.5 days, ...