With Earth's shadow cast over it, the moon appears to us to be dimmer and more reddish than usual, which is what lends it the nickname "blood moon." More news about our planet: Sign up for USA ...

Stargazers who looked up at the sky last night and early this morning might have spotted the March 2025 "Blood Moon," a total lunar eclipse that colored the moon in shades of red, orange and yellow.

When the moon is within the umbra, it appears red-orange. Lunar eclipses are sometimes called "blood moons" because of that phenomenon.