Wake up early enough Tuesday morning and you'll catch the moon turn "blood" red during a total eclipse.

At 6:04 a.m., the moon will be completely inside Earth’s shadow — this is when the “blood moon” begins. Totality will last 58 minutes, with the moon glowing red because Earth’s atmosphere filters out ...

If you didn't catch the "blood moon" Sept. 7-8 from your backyard in the United States, there's a perfectly good explanation — it wasn't visible in North America. The moon took on a striking red color ...