This coincides with March's full moon, known as the "worm moon," a name given by Native Americans to mark the season when earthworms emerge, signaling the end of winter. Sign up f

A lunar eclipse is an alignment of the Earth, moon and sun where the moon passes through the Earth's shadow, or umbra. As it does, the moon will appear to darken and take on a crimson shade of red.

Lunar eclipses happen when the moon, Earth, and sun align just so. The Earth casts a shadow that can partially or totally blot out the moon.