Get ready for the moon to turn a shade of crimson, in the first total lunar eclipse in three years.
Earth's shadow will begin moving across the moon at 1:18 pm today. The total eclipse occurs at 3:44 pm, and lasts more than an hour.
Sunlight still reaches the moon during a total eclipse, but is refracted through Earth's atmosphere, casting an eerie reddish light.
Nearly every continent will have at least a partial view.
But people in the eastern parts of North and South America will find the eclipse already in progress by the time the moon rises.
And east Asia will see the eclipse cut short by moonset.
Europe, Africa and the Middle East will have the best view.
There'll be another total lunar eclipse on August 28th.