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

When they do, we have a lunar eclipse as Earth's shadow crosses the moon's face. Waning gibbous: More than half of the moon's face appears to be getting sunlight, but the amount is decreasing.

I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...

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

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

The Orionids meteor shower peaks on Monday, but will continue to light up the sky through Nov. 22, as debris from Halley's ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the northern hemisphere).

There are eight phases of the Moon beginning with the new Moon, followed by waxing crescent, first quarter, waxing gibbous, full Moon, waning gibbous, third quarter and finally waning crescent.