The phases of the moon are a consequence of its motion around Earth in relation to the geometry assumed with respect to the sun. To better understand how it works, let us, first of all ...

The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward ...

For most of history, the Moon was regarded as a mysterious and powerful object. Then scientists made it into a destination ...

Our planet's Moon might look dead and stagnant from our vantage point here on Earth, but a new study suggests it was moving ...

“That time of closest approach to Earth, or perigee, happens three or four times each year due to the motions of Earth and the moon around the sun.” The November full moon is known as the ...

Thanks to the parallax effect, the Moon's relative motion in its orbit around Earth appears significantly faster than the movement of Mars in its orbit around the Sun. There are undoubtedly ...