Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

What is the moon phase today? 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. Moon phase Date First Quarter Aug. 31 Full Moon ...