Do you sleep less before a full moon? Research says yes

A new study shows that - whether you live in a rural or urban environment - you might sleep less before a full moon.

August 1 supermoon: Fav photos from our community

The August supermoon was the 2nd of 4 supermoons in a row. Coming up ... supermoons in late August and September. Enjoy these photos!

July supermoon photo gallery from our readers

Enjoy these great photos of the July supermoon. It's the first of four supermoons in a row. August will have two supermoons and September will have one.

Young moon on April 20: Will you see it under a day old?

Occasionally you get the chance to look for a very young moon, less than 24 hours old. Those in North America, may see one just after sunset on April 20.

What is a new moon?

A new moon generally can't be seen, except during a solar eclipse. They cross the sky with the sun during the day. The moon's shadow side is toward Earth.

What is a full moon?

The full moon, opposite the sun in its orbit, shows us its sunlit side. The moon appears full a couple of days before and after the exact moment of full moon.

What is a waxing crescent moon?

A waxing crescent moon shines in the west after sunset, first visible a day or two after new moon with earthshine. It sets after the sun after sunset.

What is a last quarter moon?

The last quarter moon appears a week after full moon and a week before new moon. The moon appears half-lit, like half a pie.

First quarter moon appears half-illuminated

The first quarter moon is halfway between new and full moon. Half of the moon is illuminated and it's a quarter of the way through it's orbit around the Earth.

4 keys to understanding moon phases

As the moon orbits Earth, we see varying fractions of its lighted face. These are the changing phases of the moon. Read four tips to understanding moon phases.