The total lunar eclipse will start tonight in the western hemisphere and extend through midnight into early Monday morning.

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 ...

While a full moon calendar comes in handy, learning the moon phases will help you predict when the next full moon will be. Another plus? You'll better understand other astronomical events ...

This means we see the Moon’s phases from Earth as different shapes. Waxing crescent Moon – less than half of the visible surface is illuminated (starts as a thin, curved sliver) and getting ...