Earth’s moon phases cycle from month to month, waning and waxing in its constant transformation from new moon to full moon and back again. This lunar cycle happens in part because the moon does not ...

As of Thursday, Sept. 18, the moon phase is Waning Crescent, and it is 11% lit up to us on Earth, according to NASA's Daily ...

Moon phases reveal the passage of time in the night sky. Some nights when we look up at the moon, it is full and bright; sometimes it is just a sliver of silvery light. These changes in appearance are ...

Lunar eclipses happen during the full moon phase, when Earth moves directly between the sun and the moon. This alignment causes Earth’s shadow to fall on the moon, gradually dimming its surface, NASA ...

Every couple of years, the moon slowly goes dark before taking on a bloody pallor colloquially known as a blood moon, but what causes it to turn red?

Our moon goes through phases, sometimes turning red or disappearing into shadows. Here's what you need to know about the full moon. Amanda Kooser Freelance writer Amanda C. Kooser covers gadgets and ...

A rare lunar phase called a Black Moon is expected to be in the night sky later this week. Here's when it will happen.

During such a busy stretch for stargazing, it can be hard to keep track of all that’s happening in the solar system, including what we can see from our backyards. On Monday night, Aug. 11, the moon ...

New moon brings highest tide of the month this week as Hurricane Erin churns dangerous waves, surf on East coast. What to know about August new moon ...