The moon's orbit is elliptical, or oval-shaped, meaning as its distance from our planet changes, its apparent size changes, ...

The second full moon of the year—arriving on February 12—takes its name from the dusting of snowfall common at this time of ...

When the moon enters the full moon phase, it appears as a perfect circle in the sky because the ... EDT), Mars will be ...

The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward around the ecliptic once in 18.61 years (6,798 days). This drift carries ...

Understand the moon phases and you can wager a pretty good guess for when the next full moon is just by looking up.

In June the approach between Venus and Jupiter culminates in the two brightest planets finally meeting over the western horizon. They begin the month 20 degrees apart in the west, with Jupiter ...

Tonight, right after sunset, a 3.6%-lit slim crescent moon will be visible in the southwestern sky but will sink very quickly after. You’ll need a low western horizon and a pair of binoculars to ...