See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025. Today, March 21, 2025, the moon is 21 days old and is in the Waning Gibbous phase of its lunar ...

This schematic representation illustrates the change of the phase angle over the course of the animation – caused by the movement of the observer. Animation of the Martian moon Phobos with phase angle ...

While a full moon calendar comes in handy, learning the moon phases will help you predict when the next full moon will be. Another plus? You'll better understand other astronomical events ...

The total lunar eclipse will start tonight in the western hemisphere and extend through midnight into early Monday morning.