Skywatchers worldwide are in for a charming cosmic display before the sun rises Friday, as three celestial bodies will appear ...

The new moon occurs April 27, and a day later Venus and Saturn will make a close approach to each other (known as a ...

Perhaps the best known of all comets is Halley, correctly pronounced so that it rhymes with rally, not daily. It is named after the 17th-18th century astronomer Edmond Halley. This ...

When the Sun, Earth, and Moon come in a straight line, the sunlight does not fall on the Moon due to the Earth, this ...