What is a blood moon? A blood moon is a non-scientific description of the Moon's sometimes-rusty color when it goes through a total lunar eclipse. Less commonly, the term 'blood moon' can also refer to a series of four total lunar eclipses, as long as they are observed from one place within a two. When does the moon turn red? The moon turns red only during a total lunar eclipse, when the sun, Earth and moon align in a nearly straight line and the moon is fully in Earth's shadow.
December's moon, also known as the Cold Moon, will light up the night sky, and the supermoon will look around 30% brighter and up to 14% larger. Early 2025 has already played host to some spectacular astronomical events, and there are more to come. In March, look to the moon to watch it change color.
Here are some quick facts about why the moon looks red, this week's lunar eclipse and what makes this September 's blood moon so special to watch. See amazing photos and video of what people saw as the moon took on a striking color of red Sept. 7-8, 2025.
The final supermoon of 2025 graced night skies around the world from Thursday evening through to early Friday, creating some spectacular illuminated scenery. The moon will enter the Earth's shadow and create a total lunar eclipse for the first time since November 2022, according to NASA. The moon will turn deep shades of rusty red throughout the more.
December cold moon was the last supermoon of 2025: What to know about the celestial event The last supermoon of 2025 lit up the night sky on Dec. 4. Viewers across North America will get to enjoy a full Blood Worm Moon during a total lunar eclipse on March 13 into March 14.
