Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...

"The range of possible outcomes is a lot wider than anybody has appreciated until now." ...

A pairing-off of the brightest planet and a slender crescent moon will be the chief celestial attraction in the dawn sky ...

A comet discovered earlier this year, now just bright enough to be visible to the naked eye, is poised to be among the top ...

Weekly Horoscope. Psychic astrologer Kris Fontaine tells us what the stars and planets have in store this week ...