What is the moon phase today? Today, Dec. 2, 2025, the moon is 12 days old and is in the Waxing Gibbous phase of its lunar cycle. It is 90% illuminated. Moon phase Date Full Moon Dec. 4 Third/Last ...

March’s “worm moon” sets behind Rocca Calascio castle and village in L’Aquila, Italy. Photograph by Lorenzo Di Cola, NurPhoto/Getty Images Earth’s moon phases cycle from month to month, waning and ...

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 ...

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Most of us notice the moon changing shape in the sky, but most people don’t ever stop to think about why it happens (except maybe the science geeks among us). Of course, those changing shapes in the ...