Moon Phases | EarthSky

Where’s the moon? Waxing crescent

By Deborah Byrd in Moon Phases | 2 days ago

The young moon is back in the west after sunset. Very lovely, and passing near some bright stars on Sunday evening.

May 25 new moon is a supermoon

By Deborah Byrd in Moon Phases | 7 days ago

It’s not just any supermoon, but the closest and largest supermoon of 2017. The young moon that follows this new moon will mark the beginning of Ramadan.

Where’s the moon? Waning crescent

By Deborah Byrd in Moon Phases | 1 week ago

You might catch the old moon near Mercury Tuesday morning. Next new moon – a supermoon – will be Thursday, May 25, at 19:44 UTC.

Think in 3D with the last quarter moon

By Deborah Byrd in Moon Phases | 2 weeks ago

Watch for the last quarter moon tonight after midnight – or around dawn Friday – and use it to imagine Earth’s motion through space.

Where’s the moon? Waning gibbous

By Deborah Byrd in Moon Phases | 2 weeks ago

Watch for the moon late at night now, or before dawn. Last quarter moon will come on May 18 or 19, depending on your time zone.

What’s special about a full moon?

By Deborah Byrd in Moon Phases | 3 weeks ago

A full moon looks full because it’s opposite Earth from the sun, showing us its fully lighted hemisphere or day side.

Where’s the moon? Waxing gibbous

By Deborah Byrd in Moon Phases | 4 weeks ago

Full moon is coming up on the night of May 10.

First quarter moon on May 2

By Deborah Byrd in Moon Phases | 4 weeks ago

A first quarter moon appears half-lit from Earth. It rises at noon, and is highest at sunset.

Top 4 keys to mastering moon phases

By Deborah Byrd in Moon Phases | 4 months ago

How can you come to know our ever-changing moon? The most important key is that it’s a world in space with a day side and a night side.

Moon in 2017

By Fred Espenak in Astronomy Essentials | Moon Phases | 5 months ago

Everything you want to know about the moon in 2017 – including phases, cycles, eclipses and supermoons – from world-renowned astronomer Fred Espenak.

Quarter moon or a half moon?

By Larry Sessions in Moon Phases | 7 months ago

Half the moon always faces us. And half the moon is always lit by the sun. But, in the language of astronomers, there are no ‘half moons.’

What’s the youngest moon you can see?

By Deborah Byrd in Moon Phases | Space | 3 years ago

An astrophotographer in France captured an amazing photo of the moon at the precise instant of new moon.