The Moon

The Moon is our constant companion in the Solar System and the only place in the universe where humans have visited. Despite this, there's still much to discover about our closest neighbour.

Moon facts and trivia

How was the Moon formed?

How far away is the Moon?

When is the next Full Moon?

What happens during a lunar eclipse?


History of the Apollo Moon landings

The missions before the Moon landing

How many people have walked on the Moon?

The strange things humans have left on the Moon

Why did we stop going to the Moon?

Moon landing conspiracy theories: debunked


Explore more

Apollo 17 commander Eugene A Cernan is holding the lower corner of the American flag during the mission's first EVA December 12 1972 Photograph by Harrison J Jack Schmitt.jpg

In July 1969 humans landed on the Moon for the first time, as part of the Apollo 11 mission. But why haven't we been back since the Apollo 17 mission in 1972?

Moon Behind the Trees © Emily Jeremy, Astronomy Photographer of the Year Young Commended 2014

The Moon is Earth’s most familiar companion, the closest astronomical object to the Earth. No other planet has a satellite as large in comparison to its own size.

Fallen Astronaut - NASA.jpg

The story of how we got humans to the Moon is a well-documented one. But what about after we leave the lunar surface – what is left behind?


What can explain high tide at London Bridge as well as Nova explosions from white dwarfs?

A Titanium Moon © Miguel Claro

Check the dates for every full Moon throughout the year, and learn about lunar phases, 'supermoons' and more below.

Super Moon by Giorgia Hofer.jpg

A supermoon occurs when the Moon is at its closest point along its orbit to the Earth at the same time as a full moon.

OM431600303300_Moon Eclipse over Mount Etna by Alessia Scarso.jpg

Sleep trouble. Violent behaviour. Mental health. Menstrual cycles. All these and more have at one time or another been associated with the Moon. 

Mauna Kea Moonset © Sean Goebel.jpg

Blue moons, Harvest moons, Worm moons? Find out more about the ancient names associated with the phases of the Moon - and what they mean.


Anyone can enjoy looking at the Moon, but can anybody claim to 'own' it? Find out about the laws governing nations and people in outer space - and why 'buying' a plot of land on the Moon might not be all that it seems.

Blue Sky Moon © Michael O'Connell, Astronomy Photographer of the Year Our Solar System Winner 2009

There are two different definitions of a blue moon: in one there is a blue moon in 2019 whereas in the other, there aren’t any at all! In any case, these are fairly common events, happening once every two to three years.