A total lunar eclipse occurs when the full moon passes completely into Earth's shadow, known as the umbra. Instead of disappearing into darkness, the moon transforms into a striking reddish color — a ...

Today, Nov. 22, 2025, the moon is 2 days old and is in the Waxing Crescent phase of its lunar cycle. It is 5% illuminated.

This week in Starwatch I want to go back to basics when it comes to the moon. So why does the moon change shape? Why is it a crescent on one night, a half-moon another night, and a full moon on yet ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The moon is getting 1½ inches (3.8 centimeters) ...