This schematic representation illustrates the change of the phase angle over the course of the animation – caused by the movement of the observer. Animation of the Martian moon Phobos with phase angle ...

As the moon orbits Earth, the sun illuminates different parts of the lunar surface, creating the different lunar phases for viewers on Earth. Currently, the moon is in the third quarter phase ...

Thanks to the Moon’s orbit around Earth, the angle of sunlight hitting the lunar surface and being reflected back to our planet changes. That creates different lunar phases. The next Full Moon ...

The moon is slowly ... nearly 16 times closer to Earth than it is today. As it cooled, the moon backed away, retreating thousands of miles into the distance. A new animation depicts that process ...

On the night of March 13 or early March 14, the Moon will transform into a stunning red orb as it moves into Earth's shadow ...