A Black Moon rises tomorrow (Aug. 23), though you won't see it. Its timing makes it a rare lunar event. Tomorrow (Aug. 23), the night sky will play host to an unusual lunar event known as a Black Moon ...

Tomorrow (Aug. 23), the night sky will play host to an unusual lunar event known as a Black Moon. While you won't see anything unusual (in fact, you won't see the moon at all), this event is still ...