Sky watchers are in for a treat on Christmas Eve as the waxing crescent Moon, Jupiter, and Saturn create a stunning celestial ...

Together, variations in the albedo, its distance from the Earth and sun, and its phases seen from Earth can all cause the brightness of Venus to swing from -4.92 to -2.98, according to a 2018 study.

A number of factors determine the visibility of the moon during the daytime, chief among them the scattering of the sun’s ...

Yesterday marked the winter solstice — the shortest day and longest night of the year in the Northern Hemisphere. As the sun ...

A 14%-illuminated waxing crescent moon will hang low in the southwest tonight, soon after sunset, still in Capricorn, with ...

Tomorrow night is the longest night of the year with the December solstice that officially marks the beginning of the season ...