NASA tells us that there will be a Lunar Eclipse visible from North and South America tonight starting around 22:00 EDT. Here’s an excerpt from their site:
“At first the moon will seem pale and bright, as usual. During the hour that follows, however, it will plunge into the darkest part of our planet’s shadow–a region astronomers call “the umbra.” Jack was inside the umbra when he saw the sunset-red ring around Earth.”
Read more about Jack and his adventures inside the umbra on NASA’s Lunar Eclipse page. There is also some practical scientific type information on that page, if you are in to that sort of thing.