The Moon is still mostly in darkness tonight.

The sighting of a crescent moon determines the beginning of Ramadan, when Muslims fast from dawn to sunset. Here's when to ...

Satellites have captured incredible views of the Feb. 17 annular solar eclipse as the moon's shadow swept across a remote ...

The eclipse will be visible across North America, but set your alarm -- you'll need to stay up late to see it.

Sky watchers who get up in time on a morning in early March have a chance of spotting a special 'blood moon' eclipse this ...

When Muslims arriving in the UK tried to sight the new crescent Moon, they would often struggle – in part due to a very British problem: the cloudy weather.