This occurs when the Moon’s 29.5-day cycle doesn’t align exactly with the calendar month, allowing two full moons to fall ...

2026 will bring several lunar events that backyard astronomers will want to stay awake for. The first full moon of the year will take place on Saturday, Jan. 3, and is known as the Wolf Moon, ...

The origins of the phrase "once in a blue moon" are rooted in an anti-Roman clergy pamphlet and a volcanic explosion in ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. In the wake of the rise of the full harvest moon during dusk ...