A Black Moon is typically said to be when there’s more than one New Moon in the same calendar month. That can occur because the Moon takes 29.5 days to orbit Earth, which is roughly the length ...

A black moon can also be used to describe a month without either a full moon or a new moon, according to Space.com. With only 28 days, February is the only month in which that can occur.

This is part of NASA's plan to build a more robust "Near Space Network" for communications within 1 million miles of Earth (the Moon is about 240,000 miles from Earth).

A black moon will occur this Friday, the final day of September, for those in the Western Hemisphere (North and South America). Learn more about black moons.

A black moon will occur this Friday, the final day of September, for those in the Western Hemisphere (North and South America). Learn more about black moons.