It's also dubbed the "most spotted star in the sky." Sunspots, which are temporarily darkened areas on the surface of the sun ...

Known as the Cold Moon, December’s full moon earned its name from the long, frigid nights of winter in the Northern ...

SpaceX plans to launch two communication satellites to orbit from Florida's Space Coast today (Dec. 17). A Falcon 9 rocket is ...

Isaacman's nomination to serve as the next administrator of NASA came on Dec. 4. Donald Trump, in his first space-related ...

Mars has now risen to the rank of the fifth brightest object in the pre-midnight evening sky, rivaled only by the moon, Venus, Jupiter and the brightest of all stars, Sirius.

The Geminid meteor shower put on a dazzling show this week, delighting skywatchers worldwide. The Geminids are one of the ...

December's full moon also coincides with the peak of the Geminid meteor shower, which should be most active on the night of Dec. 13.