A number of people who've seen NASA's annual lunar phase and libration videos have asked what the other side of the Moon looks like, the side that can't be seen from the Earth. This video answers ...

Most of the time, the full moon isn't perfectly full. We always see the same side of the moon, but part of it is in shadow, due to the moon's rotation. Only when the moon, Earth and the sun are ...

A new moon occurs when the moon is directly between Earth and the sun, with its shadowed side pointing towards us. You can see a new moon when it crosses the face of the sun during a solar eclipse.

For the first time in history, a space mission has touched down on the far side of the moon. China's Chang'e-4 probe landed in the the oldest and deepest basin on the moon's surface. Making the ...

"Whereas Arizona’s Grand Canyon was carved by water over the last 5 to 6 million years and from integrated paleocanyons that ...