Tonight marks the First Quarter Moon, when roughly half of the Moon’s visible face is illuminated. As of Saturday, May 23, ...

Long before the full moon rises, shifting sunlight transforms the lunar surface into one of the sky's best telescope targets.

Here's when to see a pair of massive letters shining on the lunar surface around May's first quarter moon phase.

Is there a full moon tonight? Here's what this weekend’s new moon phase reveals — and when to watch for the next blue moon of ...

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This ...

On May 22, the moon will reach its first quarter phase in the meticulous and resourceful sign of Virgo ...

May’s flower moon rose in twilight on Friday, setting the stage for a rare second full moon — a blue moon — later in the month.

If you're looking for something to do Memorial Day weekend and into May, why not try to catch a glimpse of a band of stars ...